461401894 has 4 divisors (see below), whose sum is σ = 692102844. Its totient is φ = 230700946.

The previous prime is 461401859. The next prime is 461401901. The reversal of 461401894 is 498104164.

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, 115350472 + ... + 115350475.

It is an arithmetic number, because the mean of its divisors is an integer number (173025711).

Almost surely, 2^461401894 is an apocalyptic number.

461401894 is a deficient number, since it is larger than the sum of its proper divisors (230700950).

461401894 is a wasteful number, since it uses less digits than its factorization.

461401894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230700949.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 461401894 is about 21480.2675495442. The cubic root of 461401894 is about 772.7276589760.

The spelling of 461401894 in words is "four hundred sixty-one million, four hundred one thousand, eight hundred ninety-four".