1690364 has 12 divisors (see below), whose sum is σ = 3185784. Its totient is φ = 780144.

The previous prime is 1690357. The next prime is 1690387. The reversal of 1690364 is 4630961.

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 in 3 ways as a sum of consecutive naturals, for example, 16202 + ... + 16305.

It is an arithmetic number, because the mean of its divisors is an integer number (265482).

2^1690364 is an apocalyptic number.

It is an amenable number.

1690364 is a deficient number, since it is larger than the sum of its proper divisors (1495420).

1690364 is a wasteful number, since it uses less digits than its factorization.

1690364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32524 (or 32522 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 1690364 is about 1300.1399924624. The cubic root of 1690364 is about 119.1223936688.

The spelling of 1690364 in words is "one million, six hundred ninety thousand, three hundred sixty-four".