690100106 has 8 divisors (see below), whose sum is σ = 1035262404. Its totient is φ = 345012640.

The previous prime is 690100087. The next prime is 690100127. The reversal of 690100106 is 601001096.

It can be written as a sum of positive squares in 2 ways, for example, as 663526081 + 26574025 = 25759^2 + 5155^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×690100106² = 952476312602422472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22526 + ... + 43446.

Almost surely, 2^690100106 is an apocalyptic number.

690100106 is a deficient number, since it is larger than the sum of its proper divisors (345162298).

690100106 is a wasteful number, since it uses less digits than its factorization.

690100106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37416.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 690100106 is about 26269.7564891645. The cubic root of 690100106 is about 883.6983240998.

The spelling of 690100106 in words is "six hundred ninety million, one hundred thousand, one hundred six".