34653621 has 4 divisors (see below), whose sum is σ = 46204832. Its totient is φ = 23102412.

The previous prime is 34653613. The next prime is 34653649. The reversal of 34653621 is 12635643.

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.

It is not a de Polignac number, because 34653621 - 2³ = 34653613 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34653121) 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 3 ways as a sum of consecutive naturals, for example, 5775601 + ... + 5775606.

It is an arithmetic number, because the mean of its divisors is an integer number (11551208).

Almost surely, 2^34653621 is an apocalyptic number.

It is an amenable number.

34653621 is a deficient number, since it is larger than the sum of its proper divisors (11551211).

34653621 is a wasteful number, since it uses less digits than its factorization.

34653621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11551210.

The product of its digits is 12960, while the sum is 30.

The square root of 34653621 is about 5886.7326251495. The cubic root of 34653621 is about 326.0239766826.

The spelling of 34653621 in words is "thirty-four million, six hundred fifty-three thousand, six hundred twenty-one".