82862040 has 64 divisors (see below), whose sum is σ = 261676800. Its totient is φ = 20932992.

The previous prime is 82862027. The next prime is 82862051. The reversal of 82862040 is 4026828.

It is a happy number.

It is a super-2 number, since 2×82862040² = 13732235345923200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 82861989 and 82862007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15892 + ... + 20451.

It is an arithmetic number, because the mean of its divisors is an integer number (4088700).

Almost surely, 2^82862040 is an apocalyptic number.

It is an amenable number.

82862040 is an abundant number, since it is smaller than the sum of its proper divisors (178814760).

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

82862040 is a wasteful number, since it uses less digits than its factorization.

82862040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36376 (or 36372 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 82862040 is about 9102.8588915791. The cubic root of 82862040 is about 435.9652498747.

Adding to 82862040 its reverse (4026828), we get a palindrome (86888868).

The spelling of 82862040 in words is "eighty-two million, eight hundred sixty-two thousand, forty".