34213957 has 4 divisors (see below), whose sum is σ = 34246080. Its totient is φ = 34181836.

The previous prime is 34213951. The next prime is 34213961. The reversal of 34213957 is 75931243.

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: 75931243 = 293 ⋅259151.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34213957 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 (34213951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14407 + ... + 16612.

It is an arithmetic number, because the mean of its divisors is an integer number (8561520).

Almost surely, 2^34213957 is an apocalyptic number.

It is an amenable number.

34213957 is a deficient number, since it is larger than the sum of its proper divisors (32123).

34213957 is a wasteful number, since it uses less digits than its factorization.

34213957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32122.

The product of its digits is 22680, while the sum is 34.

The square root of 34213957 is about 5849.2697834858. The cubic root of 34213957 is about 324.6393063496.

The spelling of 34213957 in words is "thirty-four million, two hundred thirteen thousand, nine hundred fifty-seven".