3918124 has 24 divisors (see below), whose sum is σ = 8029728. Its totient is φ = 1637760.

The previous prime is 3918071. The next prime is 3918127. The reversal of 3918124 is 4218193.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 3918092 and 3918101.

It is not an unprimeable number, because it can be changed into a prime (3918127) 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, 559 + ... + 2854.

It is an arithmetic number, because the mean of its divisors is an integer number (334572).

Almost surely, 2^3918124 is an apocalyptic number.

It is an amenable number.

3918124 is an abundant number, since it is smaller than the sum of its proper divisors (4111604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3918124 is a wasteful number, since it uses less digits than its factorization.

3918124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3465 (or 3463 counting only the distinct ones).

The product of its digits is 1728, while the sum is 28.

The square root of 3918124 is about 1979.4251690832. The cubic root of 3918124 is about 157.6495463792.

It can be divided in two parts, 391 and 8124, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 3918124 in words is "three million, nine hundred eighteen thousand, one hundred twenty-four".