904538146 has 8 divisors (see below), whose sum is σ = 1389900204. Its totient is φ = 441238080.

The previous prime is 904538137. The next prime is 904538147. The reversal of 904538146 is 641835409.

It can be written as a sum of positive squares in 2 ways, for example, as 711022225 + 193515921 = 26665^2 + 13911^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 904538099 and 904538108.

It is not an unprimeable number, because it can be changed into a prime (904538147) 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 3 ways as a sum of consecutive naturals, for example, 5515395 + ... + 5515558.

Almost surely, 2^904538146 is an apocalyptic number.

904538146 is a deficient number, since it is larger than the sum of its proper divisors (485362058).

904538146 is a wasteful number, since it uses less digits than its factorization.

904538146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11030996.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 904538146 is about 30075.5406601444. The cubic root of 904538146 is about 967.1094541960.

The spelling of 904538146 in words is "nine hundred four million, five hundred thirty-eight thousand, one hundred forty-six".