942489690 has 48 divisors (see below), whose sum is σ = 2402881632. Its totient is φ = 236544256.

The previous prime is 942489679. The next prime is 942489703. The reversal of 942489690 is 96984249.

It is a happy number.

It is a super-2 number, since 2×942489690² = 1776573631512592200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

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, 45684 + ... + 63023.

It is an arithmetic number, because the mean of its divisors is an integer number (50060034).

Almost surely, 2^942489690 is an apocalyptic number.

942489690 is an abundant number, since it is smaller than the sum of its proper divisors (1460391942).

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

942489690 is a wasteful number, since it uses less digits than its factorization.

942489690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108751 (or 108734 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 51.

The square root of 942489690 is about 30699.9949511396. The cubic root of 942489690 is about 980.4501922983.

The spelling of 942489690 in words is "nine hundred forty-two million, four hundred eighty-nine thousand, six hundred ninety".