38949950 has 48 divisors (see below), whose sum is σ = 80578176. Its totient is φ = 13910400.

The previous prime is 38949947. The next prime is 38949983. The reversal of 38949950 is 5994983.

It is a junction number, because it is equal to n+sod(n) for n = 38949895 and 38949904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19184 + ... + 21116.

It is an arithmetic number, because the mean of its divisors is an integer number (1678712).

Almost surely, 2^38949950 is an apocalyptic number.

38949950 is an abundant number, since it is smaller than the sum of its proper divisors (41628226).

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

38949950 is a wasteful number, since it uses less digits than its factorization.

38949950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989 (or 1984 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 47.

The square root of 38949950 is about 6240.9895048782. The cubic root of 38949950 is about 338.9760137106.

The spelling of 38949950 in words is "thirty-eight million, nine hundred forty-nine thousand, nine hundred fifty".