1700491 has 4 divisors (see below), whose sum is σ = 1831312. Its totient is φ = 1569672.

The previous prime is 1700477. The next prime is 1700513. The reversal of 1700491 is 1940071.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1700491 - 2¹⁵ = 1667723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1700431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65391 + ... + 65416.

It is an arithmetic number, because the mean of its divisors is an integer number (457828).

2^1700491 is an apocalyptic number.

1700491 is a deficient number, since it is larger than the sum of its proper divisors (130821).

1700491 is a wasteful number, since it uses less digits than its factorization.

1700491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130820.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 1700491 is about 1304.0287573516. The cubic root of 1700491 is about 119.3598082876.

The spelling of 1700491 in words is "one million, seven hundred thousand, four hundred ninety-one".