38707620 has 96 divisors (see below), whose sum is σ = 129282048. Its totient is φ = 8460672.

The previous prime is 38707619. The next prime is 38707621. The reversal of 38707620 is 2670783.

It is an interprime number because it is at equal distance from previous prime (38707619) and next prime (38707621).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (38707621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7657 + ... + 11663.

It is an arithmetic number, because the mean of its divisors is an integer number (1346688).

Almost surely, 2^38707620 is an apocalyptic number.

38707620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38707620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64641024).

38707620 is an abundant number, since it is smaller than the sum of its proper divisors (90574428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38707620 is a wasteful number, since it uses less digits than its factorization.

38707620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4049 (or 4047 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 38707620 is about 6221.5448242378. The cubic root of 38707620 is about 338.2715626241.

The spelling of 38707620 in words is "thirty-eight million, seven hundred seven thousand, six hundred twenty".