3785390 has 32 divisors (see below), whose sum is σ = 8247744. Its totient is φ = 1221120.

The previous prime is 3785371. The next prime is 3785393. The reversal of 3785390 is 935873.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 3785390.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3785393) 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, 401 + ... + 2780.

It is an arithmetic number, because the mean of its divisors is an integer number (257742).

Almost surely, 2^3785390 is an apocalyptic number.

3785390 is an abundant number, since it is smaller than the sum of its proper divisors (4462354).

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

3785390 is a wasteful number, since it uses less digits than its factorization.

3785390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3212.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 3785390 is about 1945.6078741617. The cubic root of 3785390 is about 155.8488290106.

The spelling of 3785390 in words is "three million, seven hundred eighty-five thousand, three hundred ninety".