847402894 has 16 divisors (see below), whose sum is σ = 1375768800. Its totient is φ = 389141280.

The previous prime is 847402891. The next prime is 847402921. The reversal of 847402894 is 498204748.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (847402891) 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, 76717 + ... + 87064.

It is an arithmetic number, because the mean of its divisors is an integer number (85985550).

Almost surely, 2^847402894 is an apocalyptic number.

847402894 is a deficient number, since it is larger than the sum of its proper divisors (528365906).

847402894 is a wasteful number, since it uses less digits than its factorization.

847402894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163995.

The product of its (nonzero) digits is 516096, while the sum is 46.

The square root of 847402894 is about 29110.1853996157. The cubic root of 847402894 is about 946.3024858578.

The spelling of 847402894 in words is "eight hundred forty-seven million, four hundred two thousand, eight hundred ninety-four".