201434928 has 40 divisors (see below), whose sum is σ = 538321200. Its totient is φ = 64829184.

The previous prime is 201434879. The next prime is 201434939. The reversal of 201434928 is 829434102.

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, 70963 + ... + 73746.

It is an arithmetic number, because the mean of its divisors is an integer number (13458030).

Almost surely, 2^201434928 is an apocalyptic number.

It is an amenable number.

201434928 is an abundant number, since it is smaller than the sum of its proper divisors (336886272).

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

201434928 is a wasteful number, since it uses less digits than its factorization.

201434928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144749 (or 144743 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 201434928 is about 14192.7773180586. Note that the first 3 decimals coincide. The cubic root of 201434928 is about 586.1988011049.

The spelling of 201434928 in words is "two hundred one million, four hundred thirty-four thousand, nine hundred twenty-eight".