3539994 has 16 divisors (see below), whose sum is σ = 7119360. Its totient is φ = 1173440.

The previous prime is 3539971. The next prime is 3540041. The reversal of 3539994 is 4999353.

It is a happy number.

3539994 is nontrivially palindromic in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399 + ... + 2690.

It is an arithmetic number, because the mean of its divisors is an integer number (444960).

Almost surely, 2^3539994 is an apocalyptic number.

3539994 is an abundant number, since it is smaller than the sum of its proper divisors (3579366).

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

3539994 is a wasteful number, since it uses less digits than its factorization.

3539994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3285.

The product of its digits is 131220, while the sum is 42.

The square root of 3539994 is about 1881.4871777400. The cubic root of 3539994 is about 152.4055708519.

The spelling of 3539994 in words is "three million, five hundred thirty-nine thousand, nine hundred ninety-four".