3948391304 has 64 divisors (see below), whose sum is σ = 9209168640. Its totient is φ = 1559208960.

The previous prime is 3948391303. The next prime is 3948391319. The reversal of 3948391304 is 4031938493.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (3948391303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82064 + ... + 120959.

It is an arithmetic number, because the mean of its divisors is an integer number (143893260).

Almost surely, 2^3948391304 is an apocalyptic number.

3948391304 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3948391304 is an abundant number, since it is smaller than the sum of its proper divisors (5260777336).

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

3948391304 is a wasteful number, since it uses less digits than its factorization.

3948391304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203070 (or 203066 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 3948391304 is about 62836.2260483553. The cubic root of 3948391304 is about 1580.5445038859.

The spelling of 3948391304 in words is "three billion, nine hundred forty-eight million, three hundred ninety-one thousand, three hundred four".