3778379 has 4 divisors (see below), whose sum is σ = 4121880. Its totient is φ = 3434880.

The previous prime is 3778343. The next prime is 3778391. The reversal of 3778379 is 9738773.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3778379 - 2¹² = 3774283 is a prime.

It is a super-2 number, since 2×3778379² = 28552295735282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3778319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171734 + ... + 171755.

It is an arithmetic number, because the mean of its divisors is an integer number (1030470).

Almost surely, 2^3778379 is an apocalyptic number.

3778379 is a deficient number, since it is larger than the sum of its proper divisors (343501).

3778379 is a wasteful number, since it uses less digits than its factorization.

3778379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343500.

The product of its digits is 222264, while the sum is 44.

The square root of 3778379 is about 1943.8052886027. The cubic root of 3778379 is about 155.7525525889.

The spelling of 3778379 in words is "three million, seven hundred seventy-eight thousand, three hundred seventy-nine".