884164090 has 12 divisors (see below), whose sum is σ = 1591664634. Its totient is φ = 353628024.

The previous prime is 884164087. The next prime is 884164097. The reversal of 884164090 is 90461488.

It can be written as a sum of positive squares in only one way, i.e., 795747681 + 88416409 = 28209^2 + 9403^2 .

It is a super-2 number, since 2×884164090² = 1563492276091056200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (884164097) 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 5 ways as a sum of consecutive naturals, for example, 89329 + ... + 98731.

Almost surely, 2^884164090 is an apocalyptic number.

884164090 is a deficient number, since it is larger than the sum of its proper divisors (707500544).

884164090 is an frugal number, since it uses more digits than its factorization.

884164090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18813 (or 9410 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 884164090 is about 29734.8968385633. The cubic root of 884164090 is about 959.7931013906.

Multiplying 884164090 by its sum of digits (40), we get a square (35366563600 = 188060²).

The spelling of 884164090 in words is "eight hundred eighty-four million, one hundred sixty-four thousand, ninety".