3969694 has 8 divisors (see below), whose sum is σ = 6159960. Its totient is φ = 1916376.

The previous prime is 3969677. The next prime is 3969703. The reversal of 3969694 is 4969693.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34164 + ... + 34279.

It is an arithmetic number, because the mean of its divisors is an integer number (769995).

Almost surely, 2^3969694 is an apocalyptic number.

3969694 is a deficient number, since it is larger than the sum of its proper divisors (2190266).

3969694 is a wasteful number, since it uses less digits than its factorization.

3969694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68474.

The product of its digits is 314928, while the sum is 46.

The square root of 3969694 is about 1992.4090945386. The cubic root of 3969694 is about 158.3381903096.

Subtracting 3969694 from its reverse (4969693), we obtain a palindrome (999999).

The spelling of 3969694 in words is "three million, nine hundred sixty-nine thousand, six hundred ninety-four".