401898834 has 40 divisors (see below), whose sum is σ = 901763148. Its totient is φ = 133786080.

The previous prime is 401898829. The next prime is 401898857. The reversal of 401898834 is 438898104.

It can be written as a sum of positive squares in 2 ways, for example, as 386712225 + 15186609 = 19665^2 + 3897^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 401898834.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 179844 + ... + 182064.

Almost surely, 2^401898834 is an apocalyptic number.

401898834 is an abundant number, since it is smaller than the sum of its proper divisors (499864314).

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

401898834 is a wasteful number, since it uses less digits than its factorization.

401898834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3352 (or 3343 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 401898834 is about 20047.4146462829. The cubic root of 401898834 is about 737.9703537565.

The spelling of 401898834 in words is "four hundred one million, eight hundred ninety-eight thousand, eight hundred thirty-four".