84453130 has 16 divisors (see below), whose sum is σ = 152127720. Its totient is φ = 33756352.

The previous prime is 84453113. The next prime is 84453137. The reversal of 84453130 is 3135448.

It can be written as a sum of positive squares in 4 ways, for example, as 70711281 + 13741849 = 8409^2 + 3707^2 .

It is not an unprimeable number, because it can be changed into a prime (84453137) 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, 17856 + ... + 22084.

Almost surely, 2^84453130 is an apocalyptic number.

84453130 is a deficient number, since it is larger than the sum of its proper divisors (67674590).

84453130 is a wasteful number, since it uses less digits than its factorization.

84453130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6233.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 84453130 is about 9189.8384098960. The cubic root of 84453130 is about 438.7379988222.

Adding to 84453130 its reverse (3135448), we get a palindrome (87588578).

It can be divided in two parts, 844531 and 30, that added together give a square (844561 = 919²).

The spelling of 84453130 in words is "eighty-four million, four hundred fifty-three thousand, one hundred thirty".