474739836 has 12 divisors (see below), whose sum is σ = 1107726312. Its totient is φ = 158246608.

The previous prime is 474739829. The next prime is 474739877. The reversal of 474739836 is 638937474.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19780815 + ... + 19780838.

It is an arithmetic number, because the mean of its divisors is an integer number (92310526).

Almost surely, 2^474739836 is an apocalyptic number.

It is an amenable number.

474739836 is an abundant number, since it is smaller than the sum of its proper divisors (632986476).

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

474739836 is a wasteful number, since it uses less digits than its factorization.

474739836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39561660 (or 39561658 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 51.

The square root of 474739836 is about 21788.5253287137. The cubic root of 474739836 is about 780.1028989823.

The spelling of 474739836 in words is "four hundred seventy-four million, seven hundred thirty-nine thousand, eight hundred thirty-six".