370996561 has 32 divisors (see below), whose sum is σ = 428933120. Its totient is φ = 318427200.

The previous prime is 370996553. The next prime is 370996573. The reversal of 370996561 is 165699073.

It is not a de Polignac number, because 370996561 - 2³ = 370996553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (370996531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1368856 + ... + 1369126.

It is an arithmetic number, because the mean of its divisors is an integer number (13404160).

Almost surely, 2^370996561 is an apocalyptic number.

370996561 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

370996561 is the 11121-st hex number.

It is an amenable number.

370996561 is a deficient number, since it is larger than the sum of its proper divisors (57936559).

370996561 is a wasteful number, since it uses less digits than its factorization.

370996561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437.

The product of its (nonzero) digits is 306180, while the sum is 46.

The square root of 370996561 is about 19261.2710120594. The cubic root of 370996561 is about 718.5493948437.

It can be divided in two parts, 37099 and 6561, that added together give a triangular number (43660 = T₂₉₅).

The spelling of 370996561 in words is "three hundred seventy million, nine hundred ninety-six thousand, five hundred sixty-one".