890361816 has 16 divisors (see below), whose sum is σ = 2225904600. Its totient is φ = 296787264.

The previous prime is 890361803. The next prime is 890361839. The reversal of 890361816 is 618163098.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18549181 + ... + 18549228.

Almost surely, 2^890361816 is an apocalyptic number.

It is an amenable number.

890361816 is an abundant number, since it is smaller than the sum of its proper divisors (1335542784).

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

890361816 is a wasteful number, since it uses less digits than its factorization.

890361816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37098418 (or 37098414 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 890361816 is about 29838.9312141035. The cubic root of 890361816 is about 962.0305025893.

The spelling of 890361816 in words is "eight hundred ninety million, three hundred sixty-one thousand, eight hundred sixteen".