34284840 has 32 divisors (see below), whose sum is σ = 102854880. Its totient is φ = 9142592.

The previous prime is 34284823. The next prime is 34284851. The reversal of 34284840 is 4848243.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142734 + ... + 142973.

It is an arithmetic number, because the mean of its divisors is an integer number (3214215).

Almost surely, 2^34284840 is an apocalyptic number.

34284840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34284840 is an abundant number, since it is smaller than the sum of its proper divisors (68570040).

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

34284840 is a wasteful number, since it uses less digits than its factorization.

34284840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285721 (or 285717 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 33.

The square root of 34284840 is about 5855.3257808597. The cubic root of 34284840 is about 324.8633429405.

The spelling of 34284840 in words is "thirty-four million, two hundred eighty-four thousand, eight hundred forty".