84403349 has 2 divisors, whose sum is σ = 84403350. Its totient is φ = 84403348.

The previous prime is 84403337. The next prime is 84403373. The reversal of 84403349 is 94330448.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78676900 + 5726449 = 8870^2 + 2393^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84403349 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84423349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42201674 + 42201675.

It is an arithmetic number, because the mean of its divisors is an integer number (42201675).

Almost surely, 2^84403349 is an apocalyptic number.

It is an amenable number.

84403349 is a deficient number, since it is larger than the sum of its proper divisors (1).

84403349 is an equidigital number, since it uses as much as digits as its factorization.

84403349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 84403349 is about 9187.1295299457. The cubic root of 84403349 is about 438.6517769968.

The spelling of 84403349 in words is "eighty-four million, four hundred three thousand, three hundred forty-nine".