3918375 has 56 divisors (see below), whose sum is σ = 7502352. Its totient is φ = 2041200.

The previous prime is 3918359. The next prime is 3918377. The reversal of 3918375 is 5738193.

It is not a de Polignac number, because 3918375 - 2⁴ = 3918359 is a prime.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3918377) 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 55 ways as a sum of consecutive naturals, for example, 91104 + ... + 91146.

Almost surely, 2^3918375 is an apocalyptic number.

3918375 is a deficient number, since it is larger than the sum of its proper divisors (3583977).

3918375 is an frugal number, since it uses more digits than its factorization.

3918375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76 (or 51 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 3918375 is about 1979.4885703130. The cubic root of 3918375 is about 157.6529127174.

The spelling of 3918375 in words is "three million, nine hundred eighteen thousand, three hundred seventy-five".