82390010 has 16 divisors (see below), whose sum is σ = 148870656. Its totient is φ = 32829648.

The previous prime is 82389991. The next prime is 82390027. The reversal of 82390010 is 1009328.

It is a super-2 number, since 2×82390010² = 13576227495600200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13034 + ... + 18293.

It is an arithmetic number, because the mean of its divisors is an integer number (9304416).

Almost surely, 2^82390010 is an apocalyptic number.

82390010 is a deficient number, since it is larger than the sum of its proper divisors (66480646).

82390010 is a wasteful number, since it uses less digits than its factorization.

82390010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31597.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 82390010 is about 9076.8942926532. The cubic root of 82390010 is about 435.1358363822.

Adding to 82390010 its reverse (1009328), we get a palindrome (83399338).

The spelling of 82390010 in words is "eighty-two million, three hundred ninety thousand, ten".