214003404 has 24 divisors (see below), whose sum is σ = 554823920. Its totient is φ = 71334432.

The previous prime is 214003399. The next prime is 214003457. The reversal of 214003404 is 404300412.

214003404 is digitally balanced in base 2, 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 (18).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 990649 + ... + 990864.

Almost surely, 2^214003404 is an apocalyptic number.

It is an amenable number.

214003404 is an abundant number, since it is smaller than the sum of its proper divisors (340820516).

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

214003404 is a wasteful number, since it uses less digits than its factorization.

214003404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981526 (or 1981518 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 214003404 is about 14628.8551841899. The cubic root of 214003404 is about 598.1455744144.

Adding to 214003404 its reverse (404300412), we get a palindrome (618303816).

The spelling of 214003404 in words is "two hundred fourteen million, three thousand, four hundred four".