3918499 has 4 divisors (see below), whose sum is σ = 4219936. Its totient is φ = 3617064.

The previous prime is 3918491. The next prime is 3918511. The reversal of 3918499 is 9948193.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9948193 = 1423 ⋅6991.

It is a cyclic number.

It is not a de Polignac number, because 3918499 - 2³ = 3918491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3918491) 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, 150699 + ... + 150724.

It is an arithmetic number, because the mean of its divisors is an integer number (1054984).

Almost surely, 2^3918499 is an apocalyptic number.

3918499 is a deficient number, since it is larger than the sum of its proper divisors (301437).

3918499 is a wasteful number, since it uses less digits than its factorization.

3918499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301436.

The product of its digits is 69984, while the sum is 43.

The square root of 3918499 is about 1979.5198912868. The cubic root of 3918499 is about 157.6545757159.

The spelling of 3918499 in words is "three million, nine hundred eighteen thousand, four hundred ninety-nine".