3790391 has 16 divisors (see below), whose sum is σ = 4341120. Its totient is φ = 3278880.

The previous prime is 3790373. The next prime is 3790393. The reversal of 3790391 is 1930973.

It is a happy number.

It is not a de Polignac number, because 3790391 - 2¹⁰ = 3789367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3790393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27200 + ... + 27338.

It is an arithmetic number, because the mean of its divisors is an integer number (271320).

Almost surely, 2^3790391 is an apocalyptic number.

3790391 is a deficient number, since it is larger than the sum of its proper divisors (550729).

3790391 is a wasteful number, since it uses less digits than its factorization.

3790391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254.

The product of its (nonzero) digits is 5103, while the sum is 32.

The square root of 3790391 is about 1946.8926524079. The cubic root of 3790391 is about 155.9174311023.

The spelling of 3790391 in words is "three million, seven hundred ninety thousand, three hundred ninety-one".