34051890 has 16 divisors (see below), whose sum is σ = 81724608. Its totient is φ = 9080496.

The previous prime is 34051889. The next prime is 34051907. The reversal of 34051890 is 9815043.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1135063 = 34051890 / (3 + 4 + 0 + 5 + 1 + 8 + 9 + 0).

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, 567502 + ... + 567561.

It is an arithmetic number, because the mean of its divisors is an integer number (5107788).

Almost surely, 2^34051890 is an apocalyptic number.

34051890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

34051890 is an abundant number, since it is smaller than the sum of its proper divisors (47672718).

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

34051890 is a wasteful number, since it uses less digits than its factorization.

34051890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135073.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 34051890 is about 5835.3997292388. The cubic root of 34051890 is about 324.1259036672.

The spelling of 34051890 in words is "thirty-four million, fifty-one thousand, eight hundred ninety".