34320286 has 96 divisors (see below), whose sum is σ = 73543680. Its totient is φ = 11793600.

The previous prime is 34320257. The next prime is 34320287. The reversal of 34320286 is 68202343.

It is a super-2 number, since 2×34320286² = 2355764062243592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34320287) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 434395 + ... + 434473.

It is an arithmetic number, because the mean of its divisors is an integer number (766080).

Almost surely, 2^34320286 is an apocalyptic number.

34320286 is an abundant number, since it is smaller than the sum of its proper divisors (39223394).

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

34320286 is a wasteful number, since it uses less digits than its factorization.

34320286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 34320286 is about 5858.3518159974. The cubic root of 34320286 is about 324.9752596552.

The spelling of 34320286 in words is "thirty-four million, three hundred twenty thousand, two hundred eighty-six".