84432261 has 16 divisors (see below), whose sum is σ = 117354944. Its totient is φ = 53944704.

The previous prime is 84432259. The next prime is 84432269. The reversal of 84432261 is 16223448.

It is not a de Polignac number, because 84432261 - 2¹ = 84432259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84432269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1761 + ... + 13113.

It is an arithmetic number, because the mean of its divisors is an integer number (7334684).

Almost surely, 2^84432261 is an apocalyptic number.

It is an amenable number.

84432261 is a deficient number, since it is larger than the sum of its proper divisors (32922683).

84432261 is a wasteful number, since it uses less digits than its factorization.

84432261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11460.

The product of its digits is 9216, while the sum is 30.

The square root of 84432261 is about 9188.7029008451. The cubic root of 84432261 is about 438.7018573649.

The spelling of 84432261 in words is "eighty-four million, four hundred thirty-two thousand, two hundred sixty-one".