36278238 has 16 divisors (see below), whose sum is σ = 76824720. Its totient is φ = 11381376.

The previous prime is 36278237. The next prime is 36278251. The reversal of 36278238 is 83287263.

It is a happy number.

It is a super-2 number, since 2×36278238² = 2632221104769288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 36278196 and 36278205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36278233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177733 + ... + 177936.

It is an arithmetic number, because the mean of its divisors is an integer number (4801545).

Almost surely, 2^36278238 is an apocalyptic number.

36278238 is an abundant number, since it is smaller than the sum of its proper divisors (40546482).

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

36278238 is a wasteful number, since it uses less digits than its factorization.

36278238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355691.

The product of its digits is 96768, while the sum is 39.

The square root of 36278238 is about 6023.1418711500. The cubic root of 36278238 is about 331.0412108733.

The spelling of 36278238 in words is "thirty-six million, two hundred seventy-eight thousand, two hundred thirty-eight".