3628723 has 4 divisors (see below), whose sum is σ = 4147120. Its totient is φ = 3110328.

The previous prime is 3628711. The next prime is 3628747. The reversal of 3628723 is 3278263.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3628723 is a prime.

It is a super-2 number, since 2×3628723² = 26335261221458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3628763) 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, 259188 + ... + 259201.

It is an arithmetic number, because the mean of its divisors is an integer number (1036780).

Almost surely, 2^3628723 is an apocalyptic number.

3628723 is a deficient number, since it is larger than the sum of its proper divisors (518397).

3628723 is an equidigital number, since it uses as much as digits as its factorization.

3628723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518396.

The product of its digits is 12096, while the sum is 31.

The square root of 3628723 is about 1904.9207332590. The cubic root of 3628723 is about 153.6684128795.

The spelling of 3628723 in words is "three million, six hundred twenty-eight thousand, seven hundred twenty-three".