3949774790 has 64 divisors (see below), whose sum is σ = 8117383680. Its totient is φ = 1373137920.

The previous prime is 3949774789. The next prime is 3949774793. The reversal of 3949774790 is 974779493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3949774793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135866 + ... + 162354.

It is an arithmetic number, because the mean of its divisors is an integer number (126834120).

Almost surely, 2^3949774790 is an apocalyptic number.

3949774790 is an abundant number, since it is smaller than the sum of its proper divisors (4167608890).

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

3949774790 is a wasteful number, since it uses less digits than its factorization.

3949774790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26577.

The product of its (nonzero) digits is 12002256, while the sum is 59.

The square root of 3949774790 is about 62847.2337497841. The cubic root of 3949774790 is about 1580.7290858821.

The spelling of 3949774790 in words is "three billion, nine hundred forty-nine million, seven hundred seventy-four thousand, seven hundred ninety".