214120404 has 36 divisors (see below), whose sum is σ = 546616980. Its totient is φ = 70665600.

The previous prime is 214120399. The next prime is 214120421. The reversal of 214120404 is 404021412.

It can be written as a sum of positive squares in 2 ways, for example, as 137592900 + 76527504 = 11730^2 + 8748^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25809 + ... + 33080.

It is an arithmetic number, because the mean of its divisors is an integer number (15183805).

Almost surely, 2^214120404 is an apocalyptic number.

It is an amenable number.

214120404 is an abundant number, since it is smaller than the sum of its proper divisors (332496576).

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

214120404 is a wasteful number, since it uses less digits than its factorization.

214120404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59000 (or 58995 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 214120404 is about 14632.8535836316. The cubic root of 214120404 is about 598.2545606595.

Adding to 214120404 its reverse (404021412), we get a palindrome (618141816).

The spelling of 214120404 in words is "two hundred fourteen million, one hundred twenty thousand, four hundred four".