904898623 has 2 divisors, whose sum is σ = 904898624. Its totient is φ = 904898622.

The previous prime is 904898573. The next prime is 904898633. The reversal of 904898623 is 326898409.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 904898623 - 2¹³ = 904890431 is a prime.

It is a super-2 number, since 2×904898623² = 1637683035814592258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (904898633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 452449311 + 452449312.

It is an arithmetic number, because the mean of its divisors is an integer number (452449312).

Almost surely, 2^904898623 is an apocalyptic number.

904898623 is a deficient number, since it is larger than the sum of its proper divisors (1).

904898623 is an equidigital number, since it uses as much as digits as its factorization.

904898623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 49.

The square root of 904898623 is about 30081.5329230410. The cubic root of 904898623 is about 967.2379081168.

The spelling of 904898623 in words is "nine hundred four million, eight hundred ninety-eight thousand, six hundred twenty-three".