83353749 has 16 divisors (see below), whose sum is σ = 113375808. Its totient is φ = 54461952.

The previous prime is 83353747. The next prime is 83353757. The reversal of 83353749 is 94735338.

It is a happy number.

It is not a de Polignac number, because 83353749 - 2¹ = 83353747 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83353749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83353747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29799 + ... + 32475.

It is an arithmetic number, because the mean of its divisors is an integer number (7085988).

Almost surely, 2^83353749 is an apocalyptic number.

It is an amenable number.

83353749 is a deficient number, since it is larger than the sum of its proper divisors (30022059).

83353749 is a wasteful number, since it uses less digits than its factorization.

83353749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2884.

The product of its digits is 272160, while the sum is 42.

The square root of 83353749 is about 9129.8274353900. The cubic root of 83353749 is about 436.8258989108.

The spelling of 83353749 in words is "eighty-three million, three hundred fifty-three thousand, seven hundred forty-nine".