361863504 has 80 divisors (see below), whose sum is σ = 1040975040. Its totient is φ = 120355200.

The previous prime is 361863503. The next prime is 361863517. The reversal of 361863504 is 405368163.

361863504 is a `hidden beast` number, since 3 + 6 + 18 + 635 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361863503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343779 + ... + 344829.

It is an arithmetic number, because the mean of its divisors is an integer number (13012188).

Almost surely, 2^361863504 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 361863504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520487520).

361863504 is an abundant number, since it is smaller than the sum of its proper divisors (679111536).

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

361863504 is a wasteful number, since it uses less digits than its factorization.

361863504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865 (or 1853 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 361863504 is about 19022.7102170012. The cubic root of 361863504 is about 712.6040091930.

The spelling of 361863504 in words is "three hundred sixty-one million, eight hundred sixty-three thousand, five hundred four".