890430426 has 24 divisors (see below), whose sum is σ = 1930431360. Its totient is φ = 296630856.

The previous prime is 890430389. The next prime is 890430433. The reversal of 890430426 is 624034098.

It is a happy number.

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, 17601 + ... + 45723.

It is an arithmetic number, because the mean of its divisors is an integer number (80434640).

Almost surely, 2^890430426 is an apocalyptic number.

890430426 is an abundant number, since it is smaller than the sum of its proper divisors (1040000934).

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

890430426 is a wasteful number, since it uses less digits than its factorization.

890430426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29890 (or 29887 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 890430426 is about 29840.0808645017. The cubic root of 890430426 is about 962.0552128499.

The spelling of 890430426 in words is "eight hundred ninety million, four hundred thirty thousand, four hundred twenty-six".