34813989 has 32 divisors (see below), whose sum is σ = 59351040. Its totient is φ = 19756656.

The previous prime is 34813969. The next prime is 34813997. The reversal of 34813989 is 98931843.

It is not a de Polignac number, because 34813989 - 2⁷ = 34813861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34813939) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31012 + ... + 32114.

It is an arithmetic number, because the mean of its divisors is an integer number (1854720).

Almost surely, 2^34813989 is an apocalyptic number.

It is an amenable number.

34813989 is a deficient number, since it is larger than the sum of its proper divisors (24537051).

34813989 is a wasteful number, since it uses less digits than its factorization.

34813989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286 (or 1280 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 34813989 is about 5900.3380411634. The cubic root of 34813989 is about 326.5261211080.

The spelling of 34813989 in words is "thirty-four million, eight hundred thirteen thousand, nine hundred eighty-nine".