1690316 has 24 divisors (see below), whose sum is σ = 3252480. Its totient is φ = 765072.

The previous prime is 1690313. The next prime is 1690319. The reversal of 1690316 is 6130961.

It is an interprime number because it is at equal distance from previous prime (1690313) and next prime (1690319).

It is not an unprimeable number, because it can be changed into a prime (1690313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1265 + ... + 2231.

It is an arithmetic number, because the mean of its divisors is an integer number (135520).

2^1690316 is an apocalyptic number.

It is an amenable number.

1690316 is a deficient number, since it is larger than the sum of its proper divisors (1562164).

1690316 is a wasteful number, since it uses less digits than its factorization.

1690316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013 (or 1011 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 1690316 is about 1300.1215327807. The cubic root of 1690316 is about 119.1212661150.

The spelling of 1690316 in words is "one million, six hundred ninety thousand, three hundred sixteen".