34490340 has 96 divisors (see below), whose sum is σ = 112008960. Its totient is φ = 8794368.

The previous prime is 34490303. The next prime is 34490353. The reversal of 34490340 is 4309443.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11032 + ... + 13808.

It is an arithmetic number, because the mean of its divisors is an integer number (1166760).

Almost surely, 2^34490340 is an apocalyptic number.

34490340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34490340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56004480).

34490340 is an abundant number, since it is smaller than the sum of its proper divisors (77518620).

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

34490340 is a wasteful number, since it uses less digits than its factorization.

34490340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2818 (or 2810 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 34490340 is about 5872.8476908566. The cubic root of 34490340 is about 325.5111168664.

Adding to 34490340 its reverse (4309443), we get a palindrome (38799783).

The spelling of 34490340 in words is "thirty-four million, four hundred ninety thousand, three hundred forty".