883490921 has 8 divisors (see below), whose sum is σ = 907900104. Its totient is φ = 859109760.

The previous prime is 883490911. The next prime is 883490929. The reversal of 883490921 is 129094388.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 658640896 + 224850025 = 25664^2 + 14995^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-883490921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (883490929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67751 + ... + 79731.

It is an arithmetic number, because the mean of its divisors is an integer number (113487513).

Almost surely, 2^883490921 is an apocalyptic number.

It is an amenable number.

883490921 is a deficient number, since it is larger than the sum of its proper divisors (24409183).

883490921 is a wasteful number, since it uses less digits than its factorization.

883490921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14011.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 883490921 is about 29723.5751719069. The cubic root of 883490921 is about 959.5494561925.

The spelling of 883490921 in words is "eight hundred eighty-three million, four hundred ninety thousand, nine hundred twenty-one".