1396349904 has 20 divisors (see below), whose sum is σ = 3607237376. Its totient is φ = 465449952.

The previous prime is 1396349891. The next prime is 1396349909. The reversal of 1396349904 is 4099436931.

1396349904 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 29090623 = 1396349904 / (1 + 3 + 9 + 6 + 3 + 4 + 9 + 9 + 0 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1396349909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14545264 + ... + 14545359.

Almost surely, 2^1396349904 is an apocalyptic number.

It is an amenable number.

1396349904 is an abundant number, since it is smaller than the sum of its proper divisors (2210887472).

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

1396349904 is a wasteful number, since it uses less digits than its factorization.

1396349904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29090634 (or 29090628 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 48.

The square root of 1396349904 is about 37367.7655740880. The cubic root of 1396349904 is about 1117.7158763965.

The spelling of 1396349904 in words is "one billion, three hundred ninety-six million, three hundred forty-nine thousand, nine hundred four".