690476 has 6 divisors (see below), whose sum is σ = 1208340. Its totient is φ = 345236.

The previous prime is 690467. The next prime is 690491. The reversal of 690476 is 674096.

It is an unprimeable number.

690476 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86306 + ... + 86313.

It is an arithmetic number, because the mean of its divisors is an integer number (201390).

2⁶⁹⁰⁴⁷⁶ is an apocalyptic number.

It is an amenable number.

690476 is a deficient number, since it is larger than the sum of its proper divisors (517864).

690476 is a wasteful number, since it uses less digits than its factorization.

690476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172623 (or 172621 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 690476 is about 830.9488552252. The cubic root of 690476 is about 88.3858743630.

The spelling of 690476 in words is "six hundred ninety thousand, four hundred seventy-six".