361954380 has 72 divisors (see below), whose sum is σ = 1031535792. Its totient is φ = 94830464.

The previous prime is 361954363. The next prime is 361954391. The reversal of 361954380 is 83459163.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 207994 + ... + 209726.

It is an arithmetic number, because the mean of its divisors is an integer number (14326886).

Almost surely, 2^361954380 is an apocalyptic number.

361954380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 361954380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (515767896).

361954380 is an abundant number, since it is smaller than the sum of its proper divisors (669581412).

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

361954380 is a wasteful number, since it uses less digits than its factorization.

361954380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863 (or 1802 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 361954380 is about 19025.0986856836. The cubic root of 361954380 is about 712.6636570813.

The spelling of 361954380 in words is "three hundred sixty-one million, nine hundred fifty-four thousand, three hundred eighty".