890028723 has 32 divisors (see below), whose sum is σ = 1307496960. Its totient is φ = 536025600.

The previous prime is 890028721. The next prime is 890028731. The reversal of 890028723 is 327820098.

It is not a de Polignac number, because 890028723 - 2¹ = 890028721 is a prime.

It is a super-2 number, since 2×890028723² = 1584302255530021458, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (890028721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 524865 + ... + 526557.

It is an arithmetic number, because the mean of its divisors is an integer number (40859280).

Almost surely, 2^890028723 is an apocalyptic number.

890028723 is a deficient number, since it is larger than the sum of its proper divisors (417468237).

890028723 is a wasteful number, since it uses less digits than its factorization.

890028723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2139.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 890028723 is about 29833.3491750423. The cubic root of 890028723 is about 961.9105193086.

The spelling of 890028723 in words is "eight hundred ninety million, twenty-eight thousand, seven hundred twenty-three".