909472 has 24 divisors (see below), whose sum is σ = 1815156. Its totient is φ = 448512.

The previous prime is 909463. The next prime is 909481. The reversal of 909472 is 274909.

It is an interprime number because it is at equal distance from previous prime (909463) and next prime (909481).

It can be written as a sum of positive squares in 2 ways, for example, as 853776 + 55696 = 924^2 + 236^2 .

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

909472 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2958 + ... + 3250.

2⁹⁰⁹⁴⁷² is an apocalyptic number.

It is an amenable number.

909472 is a deficient number, since it is larger than the sum of its proper divisors (905684).

909472 is a wasteful number, since it uses less digits than its factorization.

909472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 909472 is about 953.6624140649. The cubic root of 909472 is about 96.8864651016.

The spelling of 909472 in words is "nine hundred nine thousand, four hundred seventy-two".