3945087 has 12 divisors (see below), whose sum is σ = 5758480. Its totient is φ = 2602368.

The previous prime is 3945079. The next prime is 3945101. The reversal of 3945087 is 7805493.

It is not a de Polignac number, because 3945087 - 2³ = 3945079 is a prime.

It is a super-2 number, since 2×3945087² = 31127422875138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3945017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1387 + ... + 3132.

Almost surely, 2^3945087 is an apocalyptic number.

3945087 is a deficient number, since it is larger than the sum of its proper divisors (1813393).

3945087 is a wasteful number, since it uses less digits than its factorization.

3945087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4622 (or 4619 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 3945087 is about 1986.2243075745. The cubic root of 3945087 is about 158.0103475571.

The spelling of 3945087 in words is "three million, nine hundred forty-five thousand, eighty-seven".