961183420 has 12 divisors (see below), whose sum is σ = 2018485224. Its totient is φ = 384473360.

The previous prime is 961183397. The next prime is 961183423. The reversal of 961183420 is 24381169.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961183423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24029566 + ... + 24029605.

It is an arithmetic number, because the mean of its divisors is an integer number (168207102).

Almost surely, 2^961183420 is an apocalyptic number.

It is an amenable number.

961183420 is an abundant number, since it is smaller than the sum of its proper divisors (1057301804).

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

961183420 is a wasteful number, since it uses less digits than its factorization.

961183420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48059180 (or 48059178 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 961183420 is about 31002.9582459481. The cubic root of 961183420 is about 986.8900194887.

The spelling of 961183420 in words is "nine hundred sixty-one million, one hundred eighty-three thousand, four hundred twenty".