34693621 has 2 divisors, whose sum is σ = 34693622. Its totient is φ = 34693620.

The previous prime is 34693597. The next prime is 34693627. The reversal of 34693621 is 12639643.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34692100 + 1521 = 5890^2 + 39^2 .

It is a cyclic number.

It is not a de Polignac number, because 34693621 - 2⁷ = 34693493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34693627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17346810 + 17346811.

It is an arithmetic number, because the mean of its divisors is an integer number (17346811).

Almost surely, 2^34693621 is an apocalyptic number.

It is an amenable number.

34693621 is a deficient number, since it is larger than the sum of its proper divisors (1).

34693621 is an equidigital number, since it uses as much as digits as its factorization.

34693621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 34.

The square root of 34693621 is about 5890.1291157325. The cubic root of 34693621 is about 326.1493694916.

The spelling of 34693621 in words is "thirty-four million, six hundred ninety-three thousand, six hundred twenty-one".