3918534 has 32 divisors (see below), whose sum is σ = 8509536. Its totient is φ = 1198080.

The previous prime is 3918529. The next prime is 3918539. The reversal of 3918534 is 4358193.

It is an interprime number because it is at equal distance from previous prime (3918529) and next prime (3918539).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3918495 and 3918504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3918539) 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 15 ways as a sum of consecutive naturals, for example, 3714 + ... + 4650.

It is an arithmetic number, because the mean of its divisors is an integer number (265923).

Almost surely, 2^3918534 is an apocalyptic number.

3918534 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

3918534 is an abundant number, since it is smaller than the sum of its proper divisors (4591002).

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

3918534 is a wasteful number, since it uses less digits than its factorization.

3918534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000.

The product of its digits is 12960, while the sum is 33.

The square root of 3918534 is about 1979.5287317945. The cubic root of 3918534 is about 157.6550451043.

The spelling of 3918534 in words is "three million, nine hundred eighteen thousand, five hundred thirty-four".