369931380 has 144 divisors (see below), whose sum is σ = 1297739520. Its totient is φ = 78043392.

The previous prime is 369931363. The next prime is 369931391. The reversal of 369931380 is 83139963.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 47 ways as a sum of consecutive naturals, for example, 33381 + ... + 43059.

It is an arithmetic number, because the mean of its divisors is an integer number (9012080).

Almost surely, 2^369931380 is an apocalyptic number.

369931380 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 369931380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (648869760).

369931380 is an abundant number, since it is smaller than the sum of its proper divisors (927808140).

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

369931380 is a wasteful number, since it uses less digits than its factorization.

369931380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9718 (or 9709 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 369931380 is about 19233.6002869978. The cubic root of 369931380 is about 717.8610516783.

The spelling of 369931380 in words is "three hundred sixty-nine million, nine hundred thirty-one thousand, three hundred eighty".