890749426 has 16 divisors (see below), whose sum is σ = 1534915584. Its totient is φ = 379770624.

The previous prime is 890749421. The next prime is 890749439. The reversal of 890749426 is 624947098.

It is a self number, because there is not a number n which added to its sum of digits gives 890749426.

It is not an unprimeable number, because it can be changed into a prime (890749421) 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, 162130 + ... + 167533.

It is an arithmetic number, because the mean of its divisors is an integer number (95932224).

Almost surely, 2^890749426 is an apocalyptic number.

890749426 is a deficient number, since it is larger than the sum of its proper divisors (644166158).

890749426 is a wasteful number, since it uses less digits than its factorization.

890749426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329865.

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 890749426 is about 29845.4255456343. The cubic root of 890749426 is about 962.1700857482.

The spelling of 890749426 in words is "eight hundred ninety million, seven hundred forty-nine thousand, four hundred twenty-six".