34882821 has 6 divisors (see below), whose sum is σ = 50386310. Its totient is φ = 23255208.

The previous prime is 34882819. The next prime is 34882873. The reversal of 34882821 is 12828843.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 34680321 + 202500 = 5889^2 + 450^2 .

It is not a de Polignac number, because 34882821 - 2¹ = 34882819 is a prime.

It is a super-2 number, since 2×34882821² = 2433622401836082, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34882801) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1937926 + ... + 1937943.

Almost surely, 2^34882821 is an apocalyptic number.

It is an amenable number.

34882821 is a deficient number, since it is larger than the sum of its proper divisors (15503489).

34882821 is a wasteful number, since it uses less digits than its factorization.

34882821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3875875 (or 3875872 counting only the distinct ones).

The product of its digits is 24576, while the sum is 36.

The square root of 34882821 is about 5906.1680470505. The cubic root of 34882821 is about 326.7411749845.

The spelling of 34882821 in words is "thirty-four million, eight hundred eighty-two thousand, eight hundred twenty-one".