34989739 has 4 divisors (see below), whose sum is σ = 36511056. Its totient is φ = 33468424.

The previous prime is 34989737. The next prime is 34989751. The reversal of 34989739 is 93798943.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93798943 = 7 ⋅13399849.

It is a cyclic number.

It is not a de Polignac number, because 34989739 - 2¹ = 34989737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34989737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 760624 + ... + 760669.

It is an arithmetic number, because the mean of its divisors is an integer number (9127764).

Almost surely, 2^34989739 is an apocalyptic number.

34989739 is a deficient number, since it is larger than the sum of its proper divisors (1521317).

34989739 is a wasteful number, since it uses less digits than its factorization.

34989739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521316.

The product of its digits is 1469664, while the sum is 52.

The square root of 34989739 is about 5915.2125067490. The cubic root of 34989739 is about 327.0746617884.

The spelling of 34989739 in words is "thirty-four million, nine hundred eighty-nine thousand, seven hundred thirty-nine".