34638997 has 8 divisors (see below), whose sum is σ = 35834112. Its totient is φ = 33448800.

The previous prime is 34638937. The next prime is 34639009. The reversal of 34638997 is 79983643.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34638997 is a prime.

It is a super-2 number, since 2×34638997² = 2399720226332018, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34638997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34638937) 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, 18222 + ... + 20032.

It is an arithmetic number, because the mean of its divisors is an integer number (4479264).

Almost surely, 2^34638997 is an apocalyptic number.

It is an amenable number.

34638997 is a deficient number, since it is larger than the sum of its proper divisors (1195115).

34638997 is a wasteful number, since it uses less digits than its factorization.

34638997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2459.

The product of its digits is 979776, while the sum is 49.

The square root of 34638997 is about 5885.4903788894. The cubic root of 34638997 is about 325.9781089846.

The spelling of 34638997 in words is "thirty-four million, six hundred thirty-eight thousand, nine hundred ninety-seven".