34358821 has 8 divisors (see below), whose sum is σ = 41334080. Its totient is φ = 27900288.

The previous prime is 34358789. The next prime is 34358839. The reversal of 34358821 is 12885343.

It is a happy number.

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 34358821 - 2⁵ = 34358789 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 (34358851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129036 + ... + 129301.

It is an arithmetic number, because the mean of its divisors is an integer number (5166760).

Almost surely, 2^34358821 is an apocalyptic number.

It is an amenable number.

34358821 is a deficient number, since it is larger than the sum of its proper divisors (6975259).

34358821 is a wasteful number, since it uses less digits than its factorization.

34358821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258363.

The product of its digits is 23040, while the sum is 34.

The square root of 34358821 is about 5861.6397876362. The cubic root of 34358821 is about 325.0968421464.

The spelling of 34358821 in words is "thirty-four million, three hundred fifty-eight thousand, eight hundred twenty-one".