34919989 has 8 divisors (see below), whose sum is σ = 39818520. Its totient is φ = 30337536.

The previous prime is 34919953. The next prime is 34919993. The reversal of 34919989 is 98991943.

It can be written as a sum of positive squares in 4 ways, for example, as 14062500 + 20857489 = 3750^2 + 4567^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34919989 - 2⁷ = 34919861 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 (34919909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78784 + ... + 79225.

It is an arithmetic number, because the mean of its divisors is an integer number (4977315).

Almost surely, 2^34919989 is an apocalyptic number.

It is an amenable number.

34919989 is a deficient number, since it is larger than the sum of its proper divisors (4898531).

34919989 is a wasteful number, since it uses less digits than its factorization.

34919989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158039.

The product of its digits is 629856, while the sum is 52.

The square root of 34919989 is about 5909.3137503436. The cubic root of 34919989 is about 326.8571824719.

The spelling of 34919989 in words is "thirty-four million, nine hundred nineteen thousand, nine hundred eighty-nine".