34397628 has 12 divisors (see below), whose sum is σ = 80261160. Its totient is φ = 11465872.

The previous prime is 34397603. The next prime is 34397633. The reversal of 34397628 is 82679343.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 34397628.

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, 1433223 + ... + 1433246.

It is an arithmetic number, because the mean of its divisors is an integer number (6688430).

Almost surely, 2^34397628 is an apocalyptic number.

It is an amenable number.

34397628 is an abundant number, since it is smaller than the sum of its proper divisors (45863532).

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

34397628 is a wasteful number, since it uses less digits than its factorization.

34397628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2866476 (or 2866474 counting only the distinct ones).

The product of its digits is 217728, while the sum is 42.

The square root of 34397628 is about 5864.9491046385. The cubic root of 34397628 is about 325.2191909930.

The spelling of 34397628 in words is "thirty-four million, three hundred ninety-seven thousand, six hundred twenty-eight".