3949698 has 16 divisors (see below), whose sum is σ = 8243136. Its totient is φ = 1259280.

The previous prime is 3949669. The next prime is 3949703. The reversal of 3949698 is 8969493.

It is a happy number.

It is a super-2 number, since 2×3949698² = 31200228582408, which contains 22 as substring.

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, 14173 + ... + 14448.

It is an arithmetic number, because the mean of its divisors is an integer number (515196).

Almost surely, 2^3949698 is an apocalyptic number.

3949698 is an abundant number, since it is smaller than the sum of its proper divisors (4293438).

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

3949698 is a wasteful number, since it uses less digits than its factorization.

3949698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28649.

The product of its digits is 419904, while the sum is 48.

The square root of 3949698 is about 1987.3847136375. The cubic root of 3949698 is about 158.0718841840.

The spelling of 3949698 in words is "three million, nine hundred forty-nine thousand, six hundred ninety-eight".