3492723 has 18 divisors (see below), whose sum is σ = 5104236. Its totient is φ = 2123472.

The previous prime is 3492719. The next prime is 3492733. The reversal of 3492723 is 3272943.

It is not a de Polignac number, because 3492723 - 2² = 3492719 is a prime.

It is a super-2 number, since 2×3492723² = 24398227909458, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (3492733) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 42040 + ... + 42122.

Almost surely, 2^3492723 is an apocalyptic number.

3492723 is a deficient number, since it is larger than the sum of its proper divisors (1611513).

3492723 is an equidigital number, since it uses as much as digits as its factorization.

3492723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 99 counting only the distinct ones).

The product of its digits is 9072, while the sum is 30.

The square root of 3492723 is about 1868.8828213668. The cubic root of 3492723 is about 151.7241505456.

The spelling of 3492723 in words is "three million, four hundred ninety-two thousand, seven hundred twenty-three".