34391224 has 16 divisors (see below), whose sum is σ = 73695600. Its totient is φ = 14739072.

The previous prime is 34391213. The next prime is 34391243. The reversal of 34391224 is 42219343.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 34391192 and 34391201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307009 + ... + 307120.

It is an arithmetic number, because the mean of its divisors is an integer number (4605975).

Almost surely, 2^34391224 is an apocalyptic number.

It is an amenable number.

34391224 is an abundant number, since it is smaller than the sum of its proper divisors (39304376).

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

34391224 is a wasteful number, since it uses less digits than its factorization.

34391224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614142 (or 614138 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

The square root of 34391224 is about 5864.4031239334. The cubic root of 34391224 is about 325.1990071113.

The spelling of 34391224 in words is "thirty-four million, three hundred ninety-one thousand, two hundred twenty-four".