369561420 has 48 divisors (see below), whose sum is σ = 1149748320. Its totient is φ = 98549568.

The previous prime is 369561407. The next prime is 369561443. The reversal of 369561420 is 24165963.

It is a happy number.

369561420 is a `hidden beast` number, since 36 + 9 + 5 + 614 + 2 + 0 = 666.

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

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 15 ways as a sum of consecutive naturals, for example, 341647 + ... + 342726.

It is an arithmetic number, because the mean of its divisors is an integer number (23953090).

Almost surely, 2^369561420 is an apocalyptic number.

369561420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

369561420 is an abundant number, since it is smaller than the sum of its proper divisors (780186900).

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

369561420 is a wasteful number, since it uses less digits than its factorization.

369561420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684391 (or 684383 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 369561420 is about 19223.9803370686. The cubic root of 369561420 is about 717.6216663294.

The spelling of 369561420 in words is "three hundred sixty-nine million, five hundred sixty-one thousand, four hundred twenty".