3508723 has 4 divisors (see below), whose sum is σ = 3561160. Its totient is φ = 3456288.

The previous prime is 3508721. The next prime is 3508733. The reversal of 3508723 is 3278053.

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 3508723 - 2¹ = 3508721 is a prime.

It is a super-2 number, since 2×3508723² = 24622274181458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3508691 and 3508700.

It is not an unprimeable number, because it can be changed into a prime (3508721) 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 3 ways as a sum of consecutive naturals, for example, 26118 + ... + 26251.

It is an arithmetic number, because the mean of its divisors is an integer number (890290).

Almost surely, 2^3508723 is an apocalyptic number.

3508723 is a deficient number, since it is larger than the sum of its proper divisors (52437).

3508723 is an equidigital number, since it uses as much as digits as its factorization.

3508723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52436.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 3508723 is about 1873.1585624287. The cubic root of 3508723 is about 151.9554780731.

The spelling of 3508723 in words is "three million, five hundred eight thousand, seven hundred twenty-three".