34294728 has 32 divisors (see below), whose sum is σ = 92332800. Its totient is φ = 10552128.

The previous prime is 34294727. The next prime is 34294751. The reversal of 34294728 is 82749243.

It is a super-2 number, since 2×34294728² = 2352256737187968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (34294721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54648 + ... + 55271.

It is an arithmetic number, because the mean of its divisors is an integer number (2885400).

Almost surely, 2^34294728 is an apocalyptic number.

It is an amenable number.

34294728 is an abundant number, since it is smaller than the sum of its proper divisors (58038072).

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

34294728 is a wasteful number, since it uses less digits than its factorization.

34294728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109941 (or 109937 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 34294728 is about 5856.1700794974. The cubic root of 34294728 is about 324.8945709310.

The spelling of 34294728 in words is "thirty-four million, two hundred ninety-four thousand, seven hundred twenty-eight".