34021554 has 64 divisors (see below), whose sum is σ = 83220480. Its totient is φ = 9060480.

The previous prime is 34021541. The next prime is 34021579. The reversal of 34021554 is 45512043.

It is a super-2 number, since 2×34021554² = 2314932273149832, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39177 + ... + 40035.

It is an arithmetic number, because the mean of its divisors is an integer number (1300320).

Almost surely, 2^34021554 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34021554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41610240).

34021554 is an abundant number, since it is smaller than the sum of its proper divisors (49198926).

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

34021554 is a wasteful number, since it uses less digits than its factorization.

34021554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 34021554 is about 5832.7998422713. The cubic root of 34021554 is about 324.0296231107.

Adding to 34021554 its reverse (45512043), we get a palindrome (79533597).

The spelling of 34021554 in words is "thirty-four million, twenty-one thousand, five hundred fifty-four".