403880 has 32 divisors (see below), whose sum is σ = 950400. Its totient is φ = 154176.

The previous prime is 403877. The next prime is 403889. The reversal of 403880 is 88304.

403880 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (403889) 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, 701 + ... + 1139.

It is an arithmetic number, because the mean of its divisors is an integer number (29700).

2⁴⁰³⁸⁸⁰ is an apocalyptic number.

403880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 403880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (475200).

403880 is an abundant number, since it is smaller than the sum of its proper divisors (546520).

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

403880 is a wasteful number, since it uses less digits than its factorization.

403880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 469 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 403880 is about 635.5155387557. The cubic root of 403880 is about 73.9180978440.

The spelling of 403880 in words is "four hundred three thousand, eight hundred eighty".