1492691 has 4 divisors (see below), whose sum is σ = 1533072. Its totient is φ = 1452312.

The previous prime is 1492661. The next prime is 1492703. The reversal of 1492691 is 1962941.

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

It is a cyclic number.

It is not a de Polignac number, because 1492691 - 2⁶ = 1492627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1492661) 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, 20135 + ... + 20208.

It is an arithmetic number, because the mean of its divisors is an integer number (383268).

2^1492691 is an apocalyptic number.

1492691 is a deficient number, since it is larger than the sum of its proper divisors (40381).

1492691 is an equidigital number, since it uses as much as digits as its factorization.

1492691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40380.

The product of its digits is 3888, while the sum is 32.

The square root of 1492691 is about 1221.7573408824. The cubic root of 1492691 is about 114.2851944173.

The spelling of 1492691 in words is "one million, four hundred ninety-two thousand, six hundred ninety-one".