76084389 has 6 divisors (see below), whose sum is σ = 109899686. Its totient is φ = 50722920.

The previous prime is 76084363. The next prime is 76084427. The reversal of 76084389 is 98348067.

It is a happy number.

76084389 is a `hidden beast` number, since 7 + 608 + 4 + 38 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 66830625 + 9253764 = 8175^2 + 3042^2 .

It is not a de Polignac number, because 76084389 - 2⁸ = 76084133 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 (76084319) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4226902 + ... + 4226919.

Almost surely, 2^76084389 is an apocalyptic number.

It is an amenable number.

76084389 is a deficient number, since it is larger than the sum of its proper divisors (33815297).

76084389 is a wasteful number, since it uses less digits than its factorization.

76084389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8453827 (or 8453824 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 76084389 is about 8722.6365853451. The cubic root of 76084389 is about 423.7390797823.

The spelling of 76084389 in words is "seventy-six million, eighty-four thousand, three hundred eighty-nine".