3597987 has 4 divisors (see below), whose sum is σ = 4797320. Its totient is φ = 2398656.

The previous prime is 3597983. The next prime is 3597989. The reversal of 3597987 is 7897953.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3597987 - 2² = 3597983 is a prime.

It is a super-3 number, since 3×3597987³ (a number of 21 digits) contains 333 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3597983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 599662 + ... + 599667.

It is an arithmetic number, because the mean of its divisors is an integer number (1199330).

Almost surely, 2^3597987 is an apocalyptic number.

3597987 is a deficient number, since it is larger than the sum of its proper divisors (1199333).

3597987 is a wasteful number, since it uses less digits than its factorization.

3597987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199332.

The product of its digits is 476280, while the sum is 48.

The square root of 3597987 is about 1896.8360498472. The cubic root of 3597987 is about 153.2333148399.

The spelling of 3597987 in words is "three million, five hundred ninety-seven thousand, nine hundred eighty-seven".