1373393408 has 40 divisors (see below), whose sum is σ = 2747552940. Its totient is φ = 685834240.

The previous prime is 1373393381. The next prime is 1373393479. The reversal of 1373393408 is 8043933731.

It can be written as a sum of positive squares in 2 ways, for example, as 1357775104 + 15618304 = 36848^2 + 3952^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 658928 + ... + 661008.

Almost surely, 2^1373393408 is an apocalyptic number.

It is an amenable number.

1373393408 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

1373393408 is an equidigital number, since it uses as much as digits as its factorization.

1373393408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3388 (or 3372 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 41.

The square root of 1373393408 is about 37059.3228216599. The cubic root of 1373393408 is about 1111.5567821165.

The spelling of 1373393408 in words is "one billion, three hundred seventy-three million, three hundred ninety-three thousand, four hundred eight".