3969704 has 32 divisors (see below), whose sum is σ = 7986600. Its totient is φ = 1849600.

The previous prime is 3969703. The next prime is 3969709. The reversal of 3969704 is 4079693.

It can be written as a sum of positive squares in 4 ways, for example, as 3960100 + 9604 = 1990^2 + 98^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3969703) 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, 39254 + ... + 39354.

Almost surely, 2^3969704 is an apocalyptic number.

3969704 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3969704 is an abundant number, since it is smaller than the sum of its proper divisors (4016896).

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

3969704 is a wasteful number, since it uses less digits than its factorization.

3969704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 3969704 is about 1992.4116040618. The cubic root of 3969704 is about 158.3383232653.

The spelling of 3969704 in words is "three million, nine hundred sixty-nine thousand, seven hundred four".