3880399 has 4 divisors (see below), whose sum is σ = 4049136. Its totient is φ = 3711664.

The previous prime is 3880381. The next prime is 3880411. The reversal of 3880399 is 9930883.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9930883 = 1049 ⋅9467.

It is a cyclic number.

It is not a de Polignac number, because 3880399 - 2¹³ = 3872207 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 (3880099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84334 + ... + 84379.

It is an arithmetic number, because the mean of its divisors is an integer number (1012284).

Almost surely, 2^3880399 is an apocalyptic number.

3880399 is a deficient number, since it is larger than the sum of its proper divisors (168737).

3880399 is a wasteful number, since it uses less digits than its factorization.

3880399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168736.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 3880399 is about 1969.8728385355. The cubic root of 3880399 is about 157.1419463544.

The spelling of 3880399 in words is "three million, eight hundred eighty thousand, three hundred ninety-nine".