34780328 has 16 divisors (see below), whose sum is σ = 71141760. Its totient is φ = 15809200.

The previous prime is 34780321. The next prime is 34780331. The reversal of 34780328 is 82308743.

It is not an unprimeable number, because it can be changed into a prime (34780321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197528 + ... + 197703.

It is an arithmetic number, because the mean of its divisors is an integer number (4446360).

Almost surely, 2^34780328 is an apocalyptic number.

It is an amenable number.

34780328 is an abundant number, since it is smaller than the sum of its proper divisors (36361432).

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

34780328 is a wasteful number, since it uses less digits than its factorization.

34780328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395248 (or 395244 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 34780328 is about 5897.4848876449. The cubic root of 34780328 is about 326.4208498231.

The spelling of 34780328 in words is "thirty-four million, seven hundred eighty thousand, three hundred twenty-eight".