3874905 has 16 divisors (see below), whose sum is σ = 6888960. Its totient is φ = 2066544.

The previous prime is 3874891. The next prime is 3874919. The reversal of 3874905 is 5094783.

It is an interprime number because it is at equal distance from previous prime (3874891) and next prime (3874919).

It is not a de Polignac number, because 3874905 - 2⁴ = 3874889 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 3874905.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14217 + ... + 14486.

It is an arithmetic number, because the mean of its divisors is an integer number (430560).

Almost surely, 2^3874905 is an apocalyptic number.

It is an amenable number.

3874905 is a deficient number, since it is larger than the sum of its proper divisors (3014055).

3874905 is a wasteful number, since it uses less digits than its factorization.

3874905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28717 (or 28711 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 3874905 is about 1968.4778383309. The cubic root of 3874905 is about 157.0677490342.

The spelling of 3874905 in words is "three million, eight hundred seventy-four thousand, nine hundred five".