34604821 has 4 divisors (see below), whose sum is σ = 34834144. Its totient is φ = 34375500.

The previous prime is 34604819. The next prime is 34604827. The reversal of 34604821 is 12840643.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 34604821 - 2¹ = 34604819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34604821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34604827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114435 + ... + 114736.

It is an arithmetic number, because the mean of its divisors is an integer number (8708536).

Almost surely, 2^34604821 is an apocalyptic number.

It is an amenable number.

34604821 is a deficient number, since it is larger than the sum of its proper divisors (229323).

34604821 is a wasteful number, since it uses less digits than its factorization.

34604821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229322.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 34604821 is about 5882.5862509614. The cubic root of 34604821 is about 325.8708667169.

It can be divided in two parts, 3460 and 4821, that added together give a square (8281 = 91²).

The spelling of 34604821 in words is "thirty-four million, six hundred four thousand, eight hundred twenty-one".