361972340 has 12 divisors (see below), whose sum is σ = 760141956. Its totient is φ = 144788928.

The previous prime is 361972339. The next prime is 361972361. The reversal of 361972340 is 43279163.

It can be written as a sum of positive squares in 2 ways, for example, as 219217636 + 142754704 = 14806^2 + 11948^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 361972340.

It is a congruent number.

It is an unprimeable number.

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, 9049289 + ... + 9049328.

It is an arithmetic number, because the mean of its divisors is an integer number (63345163).

Almost surely, 2^361972340 is an apocalyptic number.

It is an amenable number.

361972340 is an abundant number, since it is smaller than the sum of its proper divisors (398169616).

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

361972340 is a wasteful number, since it uses less digits than its factorization.

361972340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18098626 (or 18098624 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 361972340 is about 19025.5706878926. The cubic root of 361972340 is about 712.6754442275.

The spelling of 361972340 in words is "three hundred sixty-one million, nine hundred seventy-two thousand, three hundred forty".