3774638 has 8 divisors (see below), whose sum is σ = 6470832. Its totient is φ = 1617696.

The previous prime is 3774623. The next prime is 3774649. The reversal of 3774638 is 8364773.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134795 + ... + 134822.

It is an arithmetic number, because the mean of its divisors is an integer number (808854).

Almost surely, 2^3774638 is an apocalyptic number.

3774638 is a deficient number, since it is larger than the sum of its proper divisors (2696194).

3774638 is a wasteful number, since it uses less digits than its factorization.

3774638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269626.

The product of its digits is 84672, while the sum is 38.

The square root of 3774638 is about 1942.8427625518. The cubic root of 3774638 is about 155.7011317100.

The spelling of 3774638 in words is "three million, seven hundred seventy-four thousand, six hundred thirty-eight".