3800390 has 16 divisors (see below), whose sum is σ = 7462800. Its totient is φ = 1381920.

The previous prime is 3800387. The next prime is 3800393. The reversal of 3800390 is 930083.

It is an interprime number because it is at equal distance from previous prime (3800387) and next prime (3800393).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3800393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17165 + ... + 17384.

It is an arithmetic number, because the mean of its divisors is an integer number (466425).

Almost surely, 2^3800390 is an apocalyptic number.

3800390 is a deficient number, since it is larger than the sum of its proper divisors (3662410).

3800390 is a wasteful number, since it uses less digits than its factorization.

3800390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34567.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 3800390 is about 1949.4588992846. The cubic root of 3800390 is about 156.0544134092.

The spelling of 3800390 in words is "three million, eight hundred thousand, three hundred ninety".