3921774 has 16 divisors (see below), whose sum is σ = 8011008. Its totient is φ = 1279352.

The previous prime is 3921769. The next prime is 3921791. The reversal of 3921774 is 4771293.

It is a super-2 number, since 2×3921774² = 30760622614152, which contains 22 as substring.

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, 6672 + ... + 7235.

It is an arithmetic number, because the mean of its divisors is an integer number (500688).

Almost surely, 2^3921774 is an apocalyptic number.

3921774 is an abundant number, since it is smaller than the sum of its proper divisors (4089234).

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

3921774 is a wasteful number, since it uses less digits than its factorization.

3921774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13959.

The product of its digits is 10584, while the sum is 33.

The square root of 3921774 is about 1980.3469393013. The cubic root of 3921774 is about 157.6984849576.

The spelling of 3921774 in words is "three million, nine hundred twenty-one thousand, seven hundred seventy-four".