3949699 has 6 divisors (see below), whose sum is σ = 4277076. Its totient is φ = 3645720.

The previous prime is 3949669. The next prime is 3949703. The reversal of 3949699 is 9969493.

It is not a de Polignac number, because 3949699 - 2¹³ = 3941507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3949609) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11517 + ... + 11854.

It is an arithmetic number, because the mean of its divisors is an integer number (712846).

Almost surely, 2^3949699 is an apocalyptic number.

3949699 is a deficient number, since it is larger than the sum of its proper divisors (327377).

3949699 is a wasteful number, since it uses less digits than its factorization.

3949699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23397 (or 23384 counting only the distinct ones).

The product of its digits is 472392, while the sum is 49.

The square root of 3949699 is about 1987.3849652244. The cubic root of 3949699 is about 158.0718975245.

The spelling of 3949699 in words is "three million, nine hundred forty-nine thousand, six hundred ninety-nine".