3949600 has 36 divisors (see below), whose sum is σ = 9643914. Its totient is φ = 1579520.

The previous prime is 3949579. The next prime is 3949609. The reversal of 3949600 is 69493.

It can be written as a sum of positive squares in 3 ways, for example, as 2808976 + 1140624 = 1676^2 + 1068^2 .

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

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1669 + ... + 3268.

Almost surely, 2^3949600 is an apocalyptic number.

It is an amenable number.

3949600 is an abundant number, since it is smaller than the sum of its proper divisors (5694314).

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

3949600 is a wasteful number, since it uses less digits than its factorization.

3949600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4957 (or 4944 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 3949600 is about 1987.3600579663. The cubic root of 3949600 is about 158.0705768121.

The spelling of 3949600 in words is "three million, nine hundred forty-nine thousand, six hundred".