1376897628 has 12 divisors (see below), whose sum is σ = 3212761160. Its totient is φ = 458965872.

The previous prime is 1376897623. The next prime is 1376897651. The reversal of 1376897628 is 8267986731.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1376897623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57370723 + ... + 57370746.

Almost surely, 2^1376897628 is an apocalyptic number.

It is an amenable number.

1376897628 is an abundant number, since it is smaller than the sum of its proper divisors (1835863532).

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

1376897628 is a wasteful number, since it uses less digits than its factorization.

1376897628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114741476 (or 114741474 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 57.

The square root of 1376897628 is about 37106.5712239759. The cubic root of 1376897628 is about 1112.5013600623.

The spelling of 1376897628 in words is "one billion, three hundred seventy-six million, eight hundred ninety-seven thousand, six hundred twenty-eight".