3918936 has 32 divisors (see below), whose sum is σ = 11197440. Its totient is φ = 1119648.

The previous prime is 3918923. The next prime is 3918949. The reversal of 3918936 is 6398193.

It is an interprime number because it is at equal distance from previous prime (3918923) and next prime (3918949).

It is a super-3 number, since 3×3918936³ (a number of 21 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3918894 and 3918903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11496 + ... + 11831.

It is an arithmetic number, because the mean of its divisors is an integer number (349920).

Almost surely, 2^3918936 is an apocalyptic number.

It is an amenable number.

3918936 is an abundant number, since it is smaller than the sum of its proper divisors (7278504).

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

3918936 is a wasteful number, since it uses less digits than its factorization.

3918936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23343 (or 23339 counting only the distinct ones).

The product of its digits is 34992, while the sum is 39.

The square root of 3918936 is about 1979.6302685098. The cubic root of 3918936 is about 157.6604361647.

The spelling of 3918936 in words is "three million, nine hundred eighteen thousand, nine hundred thirty-six".