84321010 has 16 divisors (see below), whose sum is σ = 155480472. Its totient is φ = 32905600.

The previous prime is 84321001. The next prime is 84321011. The reversal of 84321010 is 1012348.

It can be written as a sum of positive squares in 4 ways, for example, as 16966161 + 67354849 = 4119^2 + 8207^2 .

It is a super-2 number, since 2×84321010² = 14220065454840200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84321011) 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, 102421 + ... + 103240.

Almost surely, 2^84321010 is an apocalyptic number.

84321010 is a deficient number, since it is larger than the sum of its proper divisors (71159462).

84321010 is a wasteful number, since it uses less digits than its factorization.

84321010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205709.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 84321010 is about 9182.6472217983. The cubic root of 84321010 is about 438.5090895308.

Adding to 84321010 its reverse (1012348), we get a palindrome (85333358).

The spelling of 84321010 in words is "eighty-four million, three hundred twenty-one thousand, ten".