690210098 has 16 divisors (see below), whose sum is σ = 1096913664. Its totient is φ = 324598080.

The previous prime is 690210097. The next prime is 690210119. The reversal of 690210098 is 890012096.

It is not an unprimeable number, because it can be changed into a prime (690210097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56711 + ... + 67797.

It is an arithmetic number, because the mean of its divisors is an integer number (68557104).

Almost surely, 2^690210098 is an apocalyptic number.

690210098 is a deficient number, since it is larger than the sum of its proper divisors (406703566).

690210098 is a wasteful number, since it uses less digits than its factorization.

690210098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12937.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 690210098 is about 26271.8499158320. The cubic root of 690210098 is about 883.7452711933.

The spelling of 690210098 in words is "six hundred ninety million, two hundred ten thousand, ninety-eight".