34025820 has 24 divisors (see below), whose sum is σ = 95272464. Its totient is φ = 9073536.

The previous prime is 34025819. The next prime is 34025821. The reversal of 34025820 is 2852043.

It is an interprime number because it is at equal distance from previous prime (34025819) and next prime (34025821).

It is a super-3 number, since 3×34025820³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34025821) by changing a digit.

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, 283489 + ... + 283608.

It is an arithmetic number, because the mean of its divisors is an integer number (3969686).

Almost surely, 2^34025820 is an apocalyptic number.

34025820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34025820 is an abundant number, since it is smaller than the sum of its proper divisors (61246644).

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

34025820 is a wasteful number, since it uses less digits than its factorization.

34025820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567109 (or 567107 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 34025820 is about 5833.1655213957. The cubic root of 34025820 is about 324.0431660214.

Adding to 34025820 its reverse (2852043), we get a palindrome (36877863).

The spelling of 34025820 in words is "thirty-four million, twenty-five thousand, eight hundred twenty".