690083476 has 6 divisors (see below), whose sum is σ = 1207646090. Its totient is φ = 345041736.

The previous prime is 690083437. The next prime is 690083489. The reversal of 690083476 is 674380096.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 602211600 + 87871876 = 24540^2 + 9374^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 86260431 + ... + 86260438.

Almost surely, 2^690083476 is an apocalyptic number.

It is an amenable number.

690083476 is a deficient number, since it is larger than the sum of its proper divisors (517562614).

690083476 is a wasteful number, since it uses less digits than its factorization.

690083476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172520873 (or 172520871 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 690083476 is about 26269.4399635774. The cubic root of 690083476 is about 883.6912256026.

The spelling of 690083476 in words is "six hundred ninety million, eighty-three thousand, four hundred seventy-six".