401889316 has 24 divisors (see below), whose sum is σ = 755800416. Its totient is φ = 186299520.

The previous prime is 401889307. The next prime is 401889317. The reversal of 401889316 is 613988104.

It is not an unprimeable number, because it can be changed into a prime (401889317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39550 + ... + 48661.

It is an arithmetic number, because the mean of its divisors is an integer number (31491684).

Almost surely, 2^401889316 is an apocalyptic number.

It is an amenable number.

401889316 is a deficient number, since it is larger than the sum of its proper divisors (353911100).

401889316 is a wasteful number, since it uses less digits than its factorization.

401889316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88299 (or 88297 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 401889316 is about 20047.1772576590. The cubic root of 401889316 is about 737.9645280307.

The spelling of 401889316 in words is "four hundred one million, eight hundred eighty-nine thousand, three hundred sixteen".