34886721 has 4 divisors (see below), whose sum is σ = 46515632. Its totient is φ = 23257812.

The previous prime is 34886701. The next prime is 34886743. The reversal of 34886721 is 12768843.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12768843 = 3 ⋅4256281.

It is not a de Polignac number, because 34886721 - 2⁵ = 34886689 is a prime.

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 34886721.

It is not an unprimeable number, because it can be changed into a prime (34886701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5814451 + ... + 5814456.

It is an arithmetic number, because the mean of its divisors is an integer number (11628908).

Almost surely, 2^34886721 is an apocalyptic number.

It is an amenable number.

34886721 is a deficient number, since it is larger than the sum of its proper divisors (11628911).

34886721 is a wasteful number, since it uses less digits than its factorization.

34886721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11628910.

The product of its digits is 64512, while the sum is 39.

The square root of 34886721 is about 5906.4982011341. The cubic root of 34886721 is about 326.7533513994.

The spelling of 34886721 in words is "thirty-four million, eight hundred eighty-six thousand, seven hundred twenty-one".