34423428 has 24 divisors (see below), whose sum is σ = 86500288. Its totient is φ = 10591776.

The previous prime is 34423397. The next prime is 34423429. The reversal of 34423428 is 82432443.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 34423395 and 34423404.

It is not an unprimeable number, because it can be changed into a prime (34423429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110176 + ... + 110487.

Almost surely, 2^34423428 is an apocalyptic number.

It is an amenable number.

34423428 is an abundant number, since it is smaller than the sum of its proper divisors (52076860).

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

34423428 is a wasteful number, since it uses less digits than its factorization.

34423428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220683 (or 220681 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

The square root of 34423428 is about 5867.1481999350. The cubic root of 34423428 is about 325.3004810768.

The spelling of 34423428 in words is "thirty-four million, four hundred twenty-three thousand, four hundred twenty-eight".