984089690 has 16 divisors (see below), whose sum is σ = 1804784328. Its totient is φ = 386208576.

The previous prime is 984089681. The next prime is 984089747. The reversal of 984089690 is 96980489.

It can be written as a sum of positive squares in 4 ways, for example, as 579798241 + 404291449 = 24079^2 + 20107^2 .

It is a super-2 number, since 2×984089690² = 1936865035928592200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 927857 + ... + 928916.

Almost surely, 2^984089690 is an apocalyptic number.

984089690 is a deficient number, since it is larger than the sum of its proper divisors (820694638).

984089690 is a wasteful number, since it uses less digits than its factorization.

984089690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856833.

The product of its (nonzero) digits is 1119744, while the sum is 53.

The square root of 984089690 is about 31370.2038565260. The cubic root of 984089690 is about 994.6681856134.

The spelling of 984089690 in words is "nine hundred eighty-four million, eighty-nine thousand, six hundred ninety".