3918486 has 32 divisors (see below), whose sum is σ = 9209088. Its totient is φ = 1095840.

The previous prime is 3918443. The next prime is 3918491. The reversal of 3918486 is 6848193.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1426 + ... + 3141.

It is an arithmetic number, because the mean of its divisors is an integer number (287784).

Almost surely, 2^3918486 is an apocalyptic number.

3918486 is an abundant number, since it is smaller than the sum of its proper divisors (5290602).

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

3918486 is a wasteful number, since it uses less digits than its factorization.

3918486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4596.

The product of its digits is 41472, while the sum is 39.

The square root of 3918486 is about 1979.5166076596. The cubic root of 3918486 is about 157.6544013709.

The spelling of 3918486 in words is "three million, nine hundred eighteen thousand, four hundred eighty-six".