361807992 has 256 divisors, whose sum is σ = 1257984000. Its totient is φ = 93809664.

The previous prime is 361807987. The next prime is 361807993. The reversal of 361807992 is 299708163.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361807993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1552708 + ... + 1552940.

It is an arithmetic number, because the mean of its divisors is an integer number (4914000).

Almost surely, 2^361807992 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 361807992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (628992000).

361807992 is an abundant number, since it is smaller than the sum of its proper divisors (896176008).

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

361807992 is a wasteful number, since it uses less digits than its factorization.

361807992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 361807992 is about 19021.2510629559. The cubic root of 361807992 is about 712.5675681074.

The spelling of 361807992 in words is "three hundred sixty-one million, eight hundred seven thousand, nine hundred ninety-two".