842615904 has 48 divisors (see below), whose sum is σ = 2382013872. Its totient is φ = 259266048.

The previous prime is 842615903. The next prime is 842615927. The reversal of 842615904 is 409516248.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842615903) 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, 336339 + ... + 338834.

It is an arithmetic number, because the mean of its divisors is an integer number (49625289).

Almost surely, 2^842615904 is an apocalyptic number.

It is an amenable number.

842615904 is an abundant number, since it is smaller than the sum of its proper divisors (1539397968).

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

842615904 is a wasteful number, since it uses less digits than its factorization.

842615904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675199 (or 675191 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 842615904 is about 29027.8470438302. The cubic root of 842615904 is about 944.5172282834.

The spelling of 842615904 in words is "eight hundred forty-two million, six hundred fifteen thousand, nine hundred four".