34420842 has 16 divisors (see below), whose sum is σ = 76490880. Its totient is φ = 11473596.

The previous prime is 34420829. The next prime is 34420889. The reversal of 34420842 is 24802443.

It is a happy number.

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

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 318658 + ... + 318765.

It is an arithmetic number, because the mean of its divisors is an integer number (4780680).

Almost surely, 2^34420842 is an apocalyptic number.

34420842 is an abundant number, since it is smaller than the sum of its proper divisors (42070038).

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

34420842 is a wasteful number, since it uses less digits than its factorization.

34420842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637434 (or 637428 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 34420842 is about 5866.9278161573. The cubic root of 34420842 is about 325.2923349957.

The spelling of 34420842 in words is "thirty-four million, four hundred twenty thousand, eight hundred forty-two".