34393290 has 64 divisors (see below), whose sum is σ = 85349376. Its totient is φ = 8865792.

The previous prime is 34393267. The next prime is 34393297. The reversal of 34393290 is 9239343.

It is not an unprimeable number, because it can be changed into a prime (34393297) 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 31 ways as a sum of consecutive naturals, for example, 154119 + ... + 154341.

It is an arithmetic number, because the mean of its divisors is an integer number (1333584).

Almost surely, 2^34393290 is an apocalyptic number.

34393290 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 34393290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42674688).

34393290 is an abundant number, since it is smaller than the sum of its proper divisors (50956086).

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

34393290 is a wasteful number, since it uses less digits than its factorization.

34393290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383.

The product of its (nonzero) digits is 17496, while the sum is 33.

The square root of 34393290 is about 5864.5792687967. The cubic root of 34393290 is about 325.2055189246.

The spelling of 34393290 in words is "thirty-four million, three hundred ninety-three thousand, two hundred ninety".