461709642 has 16 divisors (see below), whose sum is σ = 928523232. Its totient is φ = 153052560.

The previous prime is 461709617. The next prime is 461709649. The reversal of 461709642 is 246907164.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 461709642.

It is not an unprimeable number, because it can be changed into a prime (461709649) 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, 211488 + ... + 213659.

It is an arithmetic number, because the mean of its divisors is an integer number (58032702).

Almost surely, 2^461709642 is an apocalyptic number.

461709642 is an abundant number, since it is smaller than the sum of its proper divisors (466813590).

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

461709642 is a wasteful number, since it uses less digits than its factorization.

461709642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425333.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 461709642 is about 21487.4298602695. The cubic root of 461709642 is about 772.8994199675.

The spelling of 461709642 in words is "four hundred sixty-one million, seven hundred nine thousand, six hundred forty-two".