1397790514 has 16 divisors (see below), whose sum is σ = 2155355136. Its totient is φ = 679374000.

The previous prime is 1397790469. The next prime is 1397790547. The reversal of 1397790514 is 4150977931.

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, 76969 + ... + 93379.

It is an arithmetic number, because the mean of its divisors is an integer number (134709696).

Almost surely, 2^1397790514 is an apocalyptic number.

1397790514 is a deficient number, since it is larger than the sum of its proper divisors (757564622).

1397790514 is a wasteful number, since it uses less digits than its factorization.

1397790514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17601.

The product of its (nonzero) digits is 238140, while the sum is 46.

The square root of 1397790514 is about 37387.0367106033. The cubic root of 1397790514 is about 1118.1001256542.

It can be divided in two parts, 1397 and 790514, that added together give a triangular number (791911 = T₁₂₅₈).

The spelling of 1397790514 in words is "one billion, three hundred ninety-seven million, seven hundred ninety thousand, five hundred fourteen".