904636461 has 4 divisors (see below), whose sum is σ = 1206181952. Its totient is φ = 603090972.

The previous prime is 904636459. The next prime is 904636463. The reversal of 904636461 is 164636409.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (904636459) and next prime (904636463).

It is not a de Polignac number, because 904636461 - 2¹ = 904636459 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 (904636463) by changing a digit.

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, 150772741 + ... + 150772746.

It is an arithmetic number, because the mean of its divisors is an integer number (301545488).

Almost surely, 2^904636461 is an apocalyptic number.

It is an amenable number.

904636461 is a deficient number, since it is larger than the sum of its proper divisors (301545491).

904636461 is a wasteful number, since it uses less digits than its factorization.

904636461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301545490.

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 904636461 is about 30077.1750834416. The cubic root of 904636461 is about 967.1444915691.

The spelling of 904636461 in words is "nine hundred four million, six hundred thirty-six thousand, four hundred sixty-one".