34990509 has 4 divisors (see below), whose sum is σ = 46654016. Its totient is φ = 23327004.

The previous prime is 34990499. The next prime is 34990511. The reversal of 34990509 is 90509943.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90509943 = 3 ⋅30169981.

It is not a de Polignac number, because 34990509 - 2⁸ = 34990253 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 (34990409) 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, 5831749 + ... + 5831754.

It is an arithmetic number, because the mean of its divisors is an integer number (11663504).

Almost surely, 2^34990509 is an apocalyptic number.

It is an amenable number.

34990509 is a deficient number, since it is larger than the sum of its proper divisors (11663507).

34990509 is a wasteful number, since it uses less digits than its factorization.

34990509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11663506.

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 34990509 is about 5915.2775928100. The cubic root of 34990509 is about 327.0770610217.

The spelling of 34990509 in words is "thirty-four million, nine hundred ninety thousand, five hundred nine".