890452838 has 16 divisors (see below), whose sum is σ = 1463366736. Its totient is φ = 403011840.

The previous prime is 890452799. The next prime is 890452873. The reversal of 890452838 is 838254098.

It is a junction number, because it is equal to n+sod(n) for n = 890452792 and 890452801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81731 + ... + 91982.

It is an arithmetic number, because the mean of its divisors is an integer number (91460421).

Almost surely, 2^890452838 is an apocalyptic number.

890452838 is a deficient number, since it is larger than the sum of its proper divisors (572913898).

890452838 is a wasteful number, since it uses less digits than its factorization.

890452838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173959.

The product of its (nonzero) digits is 552960, while the sum is 47.

The square root of 890452838 is about 29840.4563973140. The cubic root of 890452838 is about 962.0632843772.

The spelling of 890452838 in words is "eight hundred ninety million, four hundred fifty-two thousand, eight hundred thirty-eight".