3918523 has 8 divisors (see below), whose sum is σ = 4497120. Its totient is φ = 3344640.

The previous prime is 3918511. The next prime is 3918529. The reversal of 3918523 is 3258193.

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 3918523 - 2⁵ = 3918491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3918529) 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, 843 + ... + 2923.

It is an arithmetic number, because the mean of its divisors is an integer number (562140).

Almost surely, 2^3918523 is an apocalyptic number.

3918523 is a deficient number, since it is larger than the sum of its proper divisors (578597).

3918523 is a wasteful number, since it uses less digits than its factorization.

3918523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2357.

The product of its digits is 6480, while the sum is 31.

The square root of 3918523 is about 1979.5259533535. The cubic root of 3918523 is about 157.6548975825.

The spelling of 3918523 in words is "three million, nine hundred eighteen thousand, five hundred twenty-three".