685941802 has 16 divisors (see below), whose sum is σ = 1266354432. Its totient is φ = 271361520.

The previous prime is 685941793. The next prime is 685941821. The reversal of 685941802 is 208149586.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1884274 + ... + 1884637.

It is an arithmetic number, because the mean of its divisors is an integer number (79147152).

Almost surely, 2^685941802 is an apocalyptic number.

685941802 is a deficient number, since it is larger than the sum of its proper divisors (580412630).

685941802 is a wasteful number, since it uses less digits than its factorization.

685941802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3768933.

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 685941802 is about 26190.4906788705. The cubic root of 685941802 is about 881.9197937839.

The spelling of 685941802 in words is "six hundred eighty-five million, nine hundred forty-one thousand, eight hundred two".