900479 has 4 divisors (see below), whose sum is σ = 931560. Its totient is φ = 869400.

The previous prime is 900461. The next prime is 900481. The reversal of 900479 is 974009.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-900479 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 31051 = 900479 / (9 + 0 + 0 + 4 + 7 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15497 + ... + 15554.

It is an arithmetic number, because the mean of its divisors is an integer number (232890).

2⁹⁰⁰⁴⁷⁹ is an apocalyptic number.

900479 is a deficient number, since it is larger than the sum of its proper divisors (31081).

900479 is a wasteful number, since it uses less digits than its factorization.

900479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31080.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 900479 is about 948.9357196354. The cubic root of 900479 is about 96.5660639196.

The spelling of 900479 in words is "nine hundred thousand, four hundred seventy-nine".