3779638 has 4 divisors (see below), whose sum is σ = 5669460. Its totient is φ = 1889818.

The previous prime is 3779623. The next prime is 3779639. The reversal of 3779638 is 8369773.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×3779638² = 28571326822088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3779594 and 3779603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3779639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 944908 + ... + 944911.

It is an arithmetic number, because the mean of its divisors is an integer number (1417365).

Almost surely, 2^3779638 is an apocalyptic number.

3779638 is a deficient number, since it is larger than the sum of its proper divisors (1889822).

3779638 is a wasteful number, since it uses less digits than its factorization.

3779638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889821.

The product of its digits is 190512, while the sum is 43.

The square root of 3779638 is about 1944.1291109389. The cubic root of 3779638 is about 155.7698501908.

The spelling of 3779638 in words is "three million, seven hundred seventy-nine thousand, six hundred thirty-eight".