34155949 has 2 divisors, whose sum is σ = 34155950. Its totient is φ = 34155948.

The previous prime is 34155929. The next prime is 34155959. The reversal of 34155949 is 94955143.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24502500 + 9653449 = 4950^2 + 3107^2 .

It is a cyclic number.

It is not a de Polignac number, because 34155949 - 2⁵ = 34155917 is a prime.

It is a super-3 number, since 3×34155949³ (a number of 24 digits) contains 333 as substring.

It is a nialpdrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34155929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17077974 + 17077975.

It is an arithmetic number, because the mean of its divisors is an integer number (17077975).

Almost surely, 2^34155949 is an apocalyptic number.

It is an amenable number.

34155949 is a deficient number, since it is larger than the sum of its proper divisors (1).

34155949 is an equidigital number, since it uses as much as digits as its factorization.

34155949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200, while the sum is 40.

The square root of 34155949 is about 5844.3091122903. The cubic root of 34155949 is about 324.4557328288.

The spelling of 34155949 in words is "thirty-four million, one hundred fifty-five thousand, nine hundred forty-nine".