3874635 has 28 divisors (see below), whose sum is σ = 6977712. Its totient is φ = 2064528.

The previous prime is 3874583. The next prime is 3874639. The reversal of 3874635 is 5364783.

It is a happy number.

It is not a de Polignac number, because 3874635 - 2⁶ = 3874571 is a prime.

It is an Ulam number.

3874635 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3874635.

It is not an unprimeable number, because it can be changed into a prime (3874639) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 3114 + ... + 4176.

It is an arithmetic number, because the mean of its divisors is an integer number (249204).

Almost surely, 2^3874635 is an apocalyptic number.

3874635 is a deficient number, since it is larger than the sum of its proper divisors (3103077).

3874635 is an equidigital number, since it uses as much as digits as its factorization.

3874635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086 (or 1071 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 3874635 is about 1968.4092562270. The cubic root of 3874635 is about 157.0641008349.

It can be divided in two parts, 38746 and 35, that added together give a triangular number (38781 = T₂₇₈).

The spelling of 3874635 in words is "three million, eight hundred seventy-four thousand, six hundred thirty-five".