3881400 has 48 divisors (see below), whose sum is σ = 12034200. Its totient is φ = 1034880.

The previous prime is 3881393. The next prime is 3881407. The reversal of 3881400 is 41883.

It is an interprime number because it is at equal distance from previous prime (3881393) and next prime (3881407).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3881407) 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 11 ways as a sum of consecutive naturals, for example, 2635 + ... + 3834.

Almost surely, 2^3881400 is an apocalyptic number.

3881400 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3881400 is an abundant number, since it is smaller than the sum of its proper divisors (8152800).

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

3881400 is a wasteful number, since it uses less digits than its factorization.

3881400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6488 (or 6479 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 3881400 is about 1970.1268994661. The cubic root of 3881400 is about 157.1554574705.

The spelling of 3881400 in words is "three million, eight hundred eighty-one thousand, four hundred".