890201634 has 32 divisors (see below), whose sum is σ = 2154439296. Its totient is φ = 239381760.

The previous prime is 890201593. The next prime is 890201657. The reversal of 890201634 is 436102098.

It is a junction number, because it is equal to n+sod(n) for n = 890201595 and 890201604.

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, 622677 + ... + 624104.

It is an arithmetic number, because the mean of its divisors is an integer number (67326228).

Almost surely, 2^890201634 is an apocalyptic number.

890201634 is an abundant number, since it is smaller than the sum of its proper divisors (1264237662).

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

890201634 is a wasteful number, since it uses less digits than its factorization.

890201634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246810.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 890201634 is about 29836.2469824876. The cubic root of 890201634 is about 961.9728072385.

The spelling of 890201634 in words is "eight hundred ninety million, two hundred one thousand, six hundred thirty-four".