3949494934 has 64 divisors (see below), whose sum is σ = 7494649344. Its totient is φ = 1528956000.

The previous prime is 3949494931. The next prime is 3949494937. The reversal of 3949494934 is 4394949493.

It is an interprime number because it is at equal distance from previous prime (3949494931) and next prime (3949494937).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3949494931) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3372169 + ... + 3373339.

It is an arithmetic number, because the mean of its divisors is an integer number (117103896).

Almost surely, 2^3949494934 is an apocalyptic number.

3949494934 is a deficient number, since it is larger than the sum of its proper divisors (3545154410).

3949494934 is a wasteful number, since it uses less digits than its factorization.

3949494934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394 (or 1372 counting only the distinct ones).

The product of its digits is 15116544, while the sum is 58.

The square root of 3949494934 is about 62845.0072320785. The cubic root of 3949494934 is about 1580.6917515200.

The spelling of 3949494934 in words is "three billion, nine hundred forty-nine million, four hundred ninety-four thousand, nine hundred thirty-four".