34551821 has 8 divisors (see below), whose sum is σ = 35916384. Its totient is φ = 33210000.

The previous prime is 34551817. The next prime is 34551827. The reversal of 34551821 is 12815543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34551821 - 2² = 34551817 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34551827) 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, 2555 + ... + 8696.

It is an arithmetic number, because the mean of its divisors is an integer number (4489548).

Almost surely, 2^34551821 is an apocalyptic number.

It is an amenable number.

34551821 is a deficient number, since it is larger than the sum of its proper divisors (1364563).

34551821 is a wasteful number, since it uses less digits than its factorization.

34551821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11371.

The product of its digits is 4800, while the sum is 29.

The square root of 34551821 is about 5878.0797034406. The cubic root of 34551821 is about 325.7044161056.

The spelling of 34551821 in words is "thirty-four million, five hundred fifty-one thousand, eight hundred twenty-one".