361426820 has 24 divisors (see below), whose sum is σ = 768144384. Its totient is φ = 142828256.

The previous prime is 361426811. The next prime is 361426829. The reversal of 361426820 is 28624163.

It is an interprime number because it is at equal distance from previous prime (361426811) and next prime (361426829).

It is not an unprimeable number, because it can be changed into a prime (361426829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107204 + ... + 110523.

It is an arithmetic number, because the mean of its divisors is an integer number (32006016).

Almost surely, 2^361426820 is an apocalyptic number.

It is an amenable number.

361426820 is an abundant number, since it is smaller than the sum of its proper divisors (406717564).

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

361426820 is a wasteful number, since it uses less digits than its factorization.

361426820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217819 (or 217817 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 361426820 is about 19011.2287872194. The cubic root of 361426820 is about 712.3172454230.

The spelling of 361426820 in words is "three hundred sixty-one million, four hundred twenty-six thousand, eight hundred twenty".