34428231 has 6 divisors (see below), whose sum is σ = 49729680. Its totient is φ = 22952148.

The previous prime is 34428227. The next prime is 34428239. The reversal of 34428231 is 13282443.

34428231 is a `hidden beast` number, since 3 + 4 + 428 + 231 = 666.

It is not a de Polignac number, because 34428231 - 2² = 34428227 is a prime.

It is a super-2 number, since 2×34428231² = 2370606179578722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 34428195 and 34428204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34428239) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1912671 + ... + 1912688.

It is an arithmetic number, because the mean of its divisors is an integer number (8288280).

Almost surely, 2^34428231 is an apocalyptic number.

34428231 is a deficient number, since it is larger than the sum of its proper divisors (15301449).

34428231 is a wasteful number, since it uses less digits than its factorization.

34428231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3825365 (or 3825362 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 34428231 is about 5867.5574986531. The cubic root of 34428231 is about 325.3156097807.

The spelling of 34428231 in words is "thirty-four million, four hundred twenty-eight thousand, two hundred thirty-one".