34390650 has 72 divisors (see below), whose sum is σ = 99234720. Its totient is φ = 7859040.

The previous prime is 34390639. The next prime is 34390667. The reversal of 34390650 is 5609343.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 5011 + ... + 9689.

It is an arithmetic number, because the mean of its divisors is an integer number (1378260).

Almost surely, 2^34390650 is an apocalyptic number.

34390650 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 34390650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49617360).

34390650 is an abundant number, since it is smaller than the sum of its proper divisors (64844070).

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

34390650 is a wasteful number, since it uses less digits than its factorization.

34390650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4708 (or 4696 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 34390650 is about 5864.3541843923. The cubic root of 34390650 is about 325.1971978777.

Adding to 34390650 its reverse (5609343), we get a palindrome (39999993).

The spelling of 34390650 in words is "thirty-four million, three hundred ninety thousand, six hundred fifty".