34578397 has 8 divisors (see below), whose sum is σ = 39881600. Its totient is φ = 29366064.

The previous prime is 34578377. The next prime is 34578403. The reversal of 34578397 is 79387543.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-34578397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34578317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21897 + ... + 23422.

It is an arithmetic number, because the mean of its divisors is an integer number (4985200).

Almost surely, 2^34578397 is an apocalyptic number.

It is an amenable number.

34578397 is a deficient number, since it is larger than the sum of its proper divisors (5303203).

34578397 is a wasteful number, since it uses less digits than its factorization.

34578397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45435.

The product of its digits is 635040, while the sum is 46.

The square root of 34578397 is about 5880.3398711299. The cubic root of 34578397 is about 325.7879013556.

The spelling of 34578397 in words is "thirty-four million, five hundred seventy-eight thousand, three hundred ninety-seven".