34189420 has 24 divisors (see below), whose sum is σ = 72279648. Its totient is φ = 13584000.

The previous prime is 34189403. The next prime is 34189423. The reversal of 34189420 is 2498143.

It is not an unprimeable number, because it can be changed into a prime (34189423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2641 + ... + 8680.

It is an arithmetic number, because the mean of its divisors is an integer number (3011652).

Almost surely, 2^34189420 is an apocalyptic number.

It is an amenable number.

34189420 is an abundant number, since it is smaller than the sum of its proper divisors (38090228).

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

34189420 is a wasteful number, since it uses less digits than its factorization.

34189420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11481 (or 11479 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 34189420 is about 5847.1719660020. The cubic root of 34189420 is about 324.5616813066.

The spelling of 34189420 in words is "thirty-four million, one hundred eighty-nine thousand, four hundred twenty".