1492681 has 8 divisors (see below), whose sum is σ = 1555200. Its totient is φ = 1431120.

The previous prime is 1492661. The next prime is 1492703. The reversal of 1492681 is 1862941.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1492681 - 2⁵ = 1492649 is a prime.

It is a super-2 number, since 2×1492681² = 4456193135522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (1492661) 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, 5415 + ... + 5683.

It is an arithmetic number, because the mean of its divisors is an integer number (194400).

2^1492681 is an apocalyptic number.

It is an amenable number.

1492681 is a deficient number, since it is larger than the sum of its proper divisors (62519).

1492681 is a wasteful number, since it uses less digits than its factorization.

1492681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479.

The product of its digits is 3456, while the sum is 31.

The square root of 1492681 is about 1221.7532484098. The cubic root of 1492681 is about 114.2849392061.

The spelling of 1492681 in words is "one million, four hundred ninety-two thousand, six hundred eighty-one".