34963821 has 24 divisors (see below), whose sum is σ = 52767000. Its totient is φ = 22280832.

The previous prime is 34963751. The next prime is 34963829. The reversal of 34963821 is 12836943.

It can be written as a sum of positive squares in 4 ways, for example, as 19448100 + 15515721 = 4410^2 + 3939^2 .

It is not a de Polignac number, because 34963821 - 2¹³ = 34955629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34963829) 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 23 ways as a sum of consecutive naturals, for example, 27835 + ... + 29063.

It is an arithmetic number, because the mean of its divisors is an integer number (2198625).

Almost surely, 2^34963821 is an apocalyptic number.

34963821 is the 3161-st nonagonal number.

It is an amenable number.

34963821 is a deficient number, since it is larger than the sum of its proper divisors (17803179).

34963821 is a wasteful number, since it uses less digits than its factorization.

34963821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373 (or 1370 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 34963821 is about 5913.0213089418. The cubic root of 34963821 is about 326.9938836776.

The spelling of 34963821 in words is "thirty-four million, nine hundred sixty-three thousand, eight hundred twenty-one".