34309436 has 72 divisors (see below), whose sum is σ = 74919936. Its totient is φ = 13446720.

The previous prime is 34309433. The next prime is 34309439. The reversal of 34309436 is 63490343.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (34309433) and next prime (34309439).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34309433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 729965 + ... + 730011.

Almost surely, 2^34309436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34309436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37459968).

34309436 is an abundant number, since it is smaller than the sum of its proper divisors (40610500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34309436 is a wasteful number, since it uses less digits than its factorization.

34309436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 32.

The square root of 34309436 is about 5857.4257144244. The cubic root of 34309436 is about 324.9410102009.

Adding to 34309436 its reverse (63490343), we get a palindrome (97799779).

The spelling of 34309436 in words is "thirty-four million, three hundred nine thousand, four hundred thirty-six".