3698723 has 8 divisors (see below), whose sum is σ = 4243200. Its totient is φ = 3158280.

The previous prime is 3698719. The next prime is 3698753. The reversal of 3698723 is 3278963.

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 3698723 - 2² = 3698719 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3698713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1328 + ... + 3026.

It is an arithmetic number, because the mean of its divisors is an integer number (530400).

Almost surely, 2^3698723 is an apocalyptic number.

3698723 is a deficient number, since it is larger than the sum of its proper divisors (544477).

3698723 is a wasteful number, since it uses less digits than its factorization.

3698723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2017.

The product of its digits is 54432, while the sum is 38.

The square root of 3698723 is about 1923.2064371772. The cubic root of 3698723 is about 154.6502415384.

The spelling of 3698723 in words is "three million, six hundred ninety-eight thousand, seven hundred twenty-three".