1098392164 has 27 divisors (see below), whose sum is σ = 1957501497. Its totient is φ = 539286624.

The previous prime is 1098392161. The next prime is 1098392167. The reversal of 1098392164 is 4612938901.

It is a happy number.

The square root of 1098392164 is 33142.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (1098392161) and next prime (1098392167).

It can be written as a sum of positive squares in only one way, i.e., 623500900 + 474891264 = 24970^2 + 21792^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1098392164.

It is not an unprimeable number, because it can be changed into a prime (1098392161) 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 8 ways as a sum of consecutive naturals, for example, 4838619 + ... + 4838845.

Almost surely, 2^1098392164 is an apocalyptic number.

1098392164 is the 33142-nd square number.

It is an amenable number.

1098392164 is a deficient number, since it is larger than the sum of its proper divisors (859109333).

1098392164 is an frugal number, since it uses more digits than its factorization.

1098392164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The cubic root of 1098392164 is about 1031.7769195621.

The spelling of 1098392164 in words is "one billion, ninety-eight million, three hundred ninety-two thousand, one hundred sixty-four".