690021114 has 16 divisors (see below), whose sum is σ = 1440044352. Its totient is φ = 220006688.

The previous prime is 690021113. The next prime is 690021131. The reversal of 690021114 is 411120096.

It is a super-2 number, since 2×690021114² = 952258275531601992, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (690021113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2499939 + ... + 2500214.

It is an arithmetic number, because the mean of its divisors is an integer number (90002772).

Almost surely, 2^690021114 is an apocalyptic number.

690021114 is an abundant number, since it is smaller than the sum of its proper divisors (750023238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

690021114 is a wasteful number, since it uses less digits than its factorization.

690021114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000181.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 690021114 is about 26268.2529681743. The cubic root of 690021114 is about 883.6646054355.

The spelling of 690021114 in words is "six hundred ninety million, twenty-one thousand, one hundred fourteen".