83443794 has 16 divisors (see below), whose sum is σ = 190728768. Its totient is φ = 23841072.

The previous prime is 83443781. The next prime is 83443799. The reversal of 83443794 is 49734438.

It is a super-2 number, since 2×83443794² = 13925733514228872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1986757 = 83443794 / (8 + 3 + 4 + 4 + 3 + 7 + 9 + 4).

It is not an unprimeable number, because it can be changed into a prime (83443799) 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 7 ways as a sum of consecutive naturals, for example, 993337 + ... + 993420.

It is an arithmetic number, because the mean of its divisors is an integer number (11920548).

Almost surely, 2^83443794 is an apocalyptic number.

83443794 is an abundant number, since it is smaller than the sum of its proper divisors (107284974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83443794 is a wasteful number, since it uses less digits than its factorization.

83443794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1986769.

The product of its digits is 290304, while the sum is 42.

The square root of 83443794 is about 9134.7574680448. The cubic root of 83443794 is about 436.9831397196.

The spelling of 83443794 in words is "eighty-three million, four hundred forty-three thousand, seven hundred ninety-four".