214806428 has 12 divisors (see below), whose sum is σ = 377526240. Its totient is φ = 106941792.

The previous prime is 214806413. The next prime is 214806443. The reversal of 214806428 is 824608412.

It is an interprime number because it is at equal distance from previous prime (214806413) and next prime (214806443).

It is a super-2 number, since 2×214806428² = 92283603020238368, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114308 + ... + 116171.

It is an arithmetic number, because the mean of its divisors is an integer number (31460520).

Almost surely, 2^214806428 is an apocalyptic number.

It is an amenable number.

214806428 is a deficient number, since it is larger than the sum of its proper divisors (162719812).

214806428 is a wasteful number, since it uses less digits than its factorization.

214806428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230716 (or 230714 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 214806428 is about 14656.2760618105. The cubic root of 214806428 is about 598.8927988402.

The spelling of 214806428 in words is "two hundred fourteen million, eight hundred six thousand, four hundred twenty-eight".