904790149 has 6 divisors (see below), whose sum is σ = 934919430. Its totient is φ = 875602440.

The previous prime is 904790137. The next prime is 904790179. The reversal of 904790149 is 941097409.

It can be written as a sum of positive squares in only one way, i.e., 773229249 + 131560900 = 27807^2 + 11470^2 .

It is not a de Polignac number, because 904790149 - 2²¹ = 902692997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (904790129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 469794 + ... + 471715.

It is an arithmetic number, because the mean of its divisors is an integer number (155819905).

Almost surely, 2^904790149 is an apocalyptic number.

It is an amenable number.

904790149 is a deficient number, since it is larger than the sum of its proper divisors (30129281).

904790149 is an equidigital number, since it uses as much as digits as its factorization.

904790149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941571 (or 941540 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 904790149 is about 30079.7298691328. The cubic root of 904790149 is about 967.1992576150.

The spelling of 904790149 in words is "nine hundred four million, seven hundred ninety thousand, one hundred forty-nine".