401912894 has 4 divisors (see below), whose sum is σ = 602869344. Its totient is φ = 200956446.

The previous prime is 401912881. The next prime is 401912941. The reversal of 401912894 is 498219104.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100478222 + ... + 100478225.

It is an arithmetic number, because the mean of its divisors is an integer number (150717336).

Almost surely, 2^401912894 is an apocalyptic number.

401912894 is a deficient number, since it is larger than the sum of its proper divisors (200956450).

401912894 is a wasteful number, since it uses less digits than its factorization.

401912894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200956449.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 401912894 is about 20047.7653118745. The cubic root of 401912894 is about 737.9789593568.

The spelling of 401912894 in words is "four hundred one million, nine hundred twelve thousand, eight hundred ninety-four".