83942426 has 8 divisors (see below), whose sum is σ = 127069140. Its totient is φ = 41586048.

The previous prime is 83942401. The next prime is 83942429. The reversal of 83942426 is 62424938.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 80120401 + 3822025 = 8951^2 + 1955^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 83942426.

It is not an unprimeable number, because it can be changed into a prime (83942429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192311 + ... + 192746.

Almost surely, 2^83942426 is an apocalyptic number.

83942426 is a deficient number, since it is larger than the sum of its proper divisors (43126714).

83942426 is a wasteful number, since it uses less digits than its factorization.

83942426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385168.

The product of its digits is 82944, while the sum is 38.

The square root of 83942426 is about 9162.0099323238. The cubic root of 83942426 is about 437.8518330109.

The spelling of 83942426 in words is "eighty-three million, nine hundred forty-two thousand, four hundred twenty-six".