3964587 has 32 divisors (see below), whose sum is σ = 6303744. Its totient is φ = 2188800.

The previous prime is 3964549. The next prime is 3964589. The reversal of 3964587 is 7854693.

It is a happy number.

It is not a de Polignac number, because 3964587 - 2⁶ = 3964523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3964589) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20662 + ... + 20852.

It is an arithmetic number, because the mean of its divisors is an integer number (196992).

Almost surely, 2^3964587 is an apocalyptic number.

3964587 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

3964587 is a deficient number, since it is larger than the sum of its proper divisors (2339157).

3964587 is a wasteful number, since it uses less digits than its factorization.

3964587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259.

The product of its digits is 181440, while the sum is 42.

The square root of 3964587 is about 1991.1270677684. The cubic root of 3964587 is about 158.2702606275.

The spelling of 3964587 in words is "three million, nine hundred sixty-four thousand, five hundred eighty-seven".