34536989 has 2 divisors, whose sum is σ = 34536990. Its totient is φ = 34536988.

The previous prime is 34536949. The next prime is 34537001. The reversal of 34536989 is 98963543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34456900 + 80089 = 5870^2 + 283^2 .

It is a cyclic number.

It is not a de Polignac number, because 34536989 - 2²⁴ = 17759773 is a prime.

It is a super-2 number, since 2×34536989² = 2385607218372242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34536949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17268494 + 17268495.

It is an arithmetic number, because the mean of its divisors is an integer number (17268495).

Almost surely, 2^34536989 is an apocalyptic number.

It is an amenable number.

34536989 is a deficient number, since it is larger than the sum of its proper divisors (1).

34536989 is an equidigital number, since it uses as much as digits as its factorization.

34536989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 47.

The square root of 34536989 is about 5876.8179315000. The cubic root of 34536989 is about 325.6578045796.

The spelling of 34536989 in words is "thirty-four million, five hundred thirty-six thousand, nine hundred eighty-nine".