214517428 has 12 divisors (see below), whose sum is σ = 376155360. Its totient is φ = 107044472.

The previous prime is 214517417. The next prime is 214517461. The reversal of 214517428 is 824715412.

It is a junction number, because it is equal to n+sod(n) for n = 214517393 and 214517402.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 51298 + ... + 55321.

It is an arithmetic number, because the mean of its divisors is an integer number (31346280).

Almost surely, 2^214517428 is an apocalyptic number.

It is an amenable number.

214517428 is a deficient number, since it is larger than the sum of its proper divisors (161637932).

214517428 is a wasteful number, since it uses less digits than its factorization.

214517428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107126 (or 107124 counting only the distinct ones).

The product of its digits is 17920, while the sum is 34.

The square root of 214517428 is about 14646.4134859016. The cubic root of 214517428 is about 598.6240953707.

The spelling of 214517428 in words is "two hundred fourteen million, five hundred seventeen thousand, four hundred twenty-eight".