3896730 has 48 divisors (see below), whose sum is σ = 10487880. Its totient is φ = 1002624.

The previous prime is 3896707. The next prime is 3896743. The reversal of 3896730 is 376983.

It can be written as a sum of positive squares in 4 ways, for example, as 3674889 + 221841 = 1917^2 + 471^2 .

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, 1864 + ... + 3356.

Almost surely, 2^3896730 is an apocalyptic number.

3896730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3896730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5243940).

3896730 is an abundant number, since it is smaller than the sum of its proper divisors (6591150).

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

3896730 is a wasteful number, since it uses less digits than its factorization.

3896730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535 (or 1532 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 3896730 is about 1974.0136777642. The cubic root of 3896730 is about 157.3620863773.

The spelling of 3896730 in words is "three million, eight hundred ninety-six thousand, seven hundred thirty".