361813452 has 216 divisors, whose sum is σ = 1163598912. Its totient is φ = 86486400.

The previous prime is 361813451. The next prime is 361813453. The reversal of 361813452 is 254318163.

It is an interprime number because it is at equal distance from previous prime (361813451) and next prime (361813453).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (361813451) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1092927 + ... + 1093257.

It is an arithmetic number, because the mean of its divisors is an integer number (5387032).

Almost surely, 2^361813452 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 361813452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (581799456).

361813452 is an abundant number, since it is smaller than the sum of its proper divisors (801785460).

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

361813452 is a wasteful number, since it uses less digits than its factorization.

361813452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 367 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 361813452 is about 19021.3945860970. The cubic root of 361813452 is about 712.5711525126.

The spelling of 361813452 in words is "three hundred sixty-one million, eight hundred thirteen thousand, four hundred fifty-two".