3890756 has 24 divisors (see below), whose sum is σ = 7461720. Its totient is φ = 1766912.

The previous prime is 3890753. The next prime is 3890759. The reversal of 3890756 is 6570983.

It is an interprime number because it is at equal distance from previous prime (3890753) and next prime (3890759).

It can be written as a sum of positive squares in 4 ways, for example, as 592900 + 3297856 = 770^2 + 1816^2 .

It is not an unprimeable number, because it can be changed into a prime (3890753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 986 + ... + 2958.

It is an arithmetic number, because the mean of its divisors is an integer number (310905).

Almost surely, 2^3890756 is an apocalyptic number.

It is a pronic number, being equal to 1972×1973.

It is an amenable number.

3890756 is a deficient number, since it is larger than the sum of its proper divisors (3570964).

3890756 is a wasteful number, since it uses less digits than its factorization.

3890756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023 (or 2021 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 3890756 is about 1972.4999366286. The cubic root of 3890756 is about 157.2816290092.

The spelling of 3890756 in words is "three million, eight hundred ninety thousand, seven hundred fifty-six".