401897488 has 20 divisors (see below), whose sum is σ = 789645888. Its totient is φ = 198117920.

The previous prime is 401897473. The next prime is 401897491. The reversal of 401897488 is 884798104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175756 + ... + 178027.

Almost surely, 2^401897488 is an apocalyptic number.

It is an amenable number.

401897488 is a deficient number, since it is larger than the sum of its proper divisors (387748400).

401897488 is a wasteful number, since it uses less digits than its factorization.

401897488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353862 (or 353856 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 49.

The square root of 401897488 is about 20047.3810758413. The cubic root of 401897488 is about 737.9695299097.

The spelling of 401897488 in words is "four hundred one million, eight hundred ninety-seven thousand, four hundred eighty-eight".