880406 has 4 divisors (see below), whose sum is σ = 1320612. Its totient is φ = 440202.

The previous prime is 880367. The next prime is 880409. The reversal of 880406 is 604088.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×880406² = 1550229449672, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (880409) by changing a digit.

880406 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220100 + ... + 220103.

It is an arithmetic number, because the mean of its divisors is an integer number (330153).

2⁸⁸⁰⁴⁰⁶ is an apocalyptic number.

880406 is a deficient number, since it is larger than the sum of its proper divisors (440206).

880406 is a wasteful number, since it uses less digits than its factorization.

880406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440205.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 880406 is about 938.2995257379. The cubic root of 880406 is about 95.8431321214.

The spelling of 880406 in words is "eight hundred eighty thousand, four hundred six".