623338890 has 32 divisors (see below), whose sum is σ = 1574752320. Its totient is φ = 157474944.

The previous prime is 623338873. The next prime is 623338901. The reversal of 623338890 is 98833326.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 546219 + ... + 547358.

It is an arithmetic number, because the mean of its divisors is an integer number (49211010).

Almost surely, 2^623338890 is an apocalyptic number.

623338890 is an abundant number, since it is smaller than the sum of its proper divisors (951413430).

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

623338890 is a wasteful number, since it uses less digits than its factorization.

623338890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093606.

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 623338890 is about 24966.7556963255. The cubic root of 623338890 is about 854.2298457915.

The spelling of 623338890 in words is "six hundred twenty-three million, three hundred thirty-eight thousand, eight hundred ninety".