890830242 has 24 divisors (see below), whose sum is σ = 1956575244. Its totient is φ = 292875264.

The previous prime is 890830223. The next prime is 890830253. The reversal of 890830242 is 242038098.

It can be written as a sum of positive squares in 2 ways, for example, as 888695721 + 2134521 = 29811^2 + 1461^2 .

It is a junction number, because it is equal to n+sod(n) for n = 890830197 and 890830206.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 337663 + ... + 340290.

Almost surely, 2^890830242 is an apocalyptic number.

890830242 is an abundant number, since it is smaller than the sum of its proper divisors (1065745002).

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

890830242 is a wasteful number, since it uses less digits than its factorization.

890830242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678034 (or 678031 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 890830242 is about 29846.7794242528. The cubic root of 890830242 is about 962.1991834884.

The spelling of 890830242 in words is "eight hundred ninety million, eight hundred thirty thousand, two hundred forty-two".