1349061904 has 40 divisors (see below), whose sum is σ = 2749824000. Its totient is φ = 640219776.

The previous prime is 1349061899. The next prime is 1349061953. The reversal of 1349061904 is 4091609431.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2737 + ... + 52015.

It is an arithmetic number, because the mean of its divisors is an integer number (68745600).

Almost surely, 2^1349061904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1349061904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1374912000).

1349061904 is an abundant number, since it is smaller than the sum of its proper divisors (1400762096).

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

1349061904 is a wasteful number, since it uses less digits than its factorization.

1349061904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49375 (or 49369 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 1349061904 is about 36729.5780536613. The cubic root of 1349061904 is about 1104.9533921088.

The spelling of 1349061904 in words is "one billion, three hundred forty-nine million, sixty-one thousand, nine hundred four".