34147890 has 96 divisors (see below), whose sum is σ = 103109760. Its totient is φ = 7679232.

The previous prime is 34147889. The next prime is 34147907. The reversal of 34147890 is 9874143.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41806 + ... + 42614.

It is an arithmetic number, because the mean of its divisors is an integer number (1074060).

Almost surely, 2^34147890 is an apocalyptic number.

34147890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 34147890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51554880).

34147890 is an abundant number, since it is smaller than the sum of its proper divisors (68961870).

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

34147890 is a wasteful number, since it uses less digits than its factorization.

34147890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896 (or 893 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 34147890 is about 5843.6195974755. The cubic root of 34147890 is about 324.4302126827.

The spelling of 34147890 in words is "thirty-four million, one hundred forty-seven thousand, eight hundred ninety".