83028149 has 4 divisors (see below), whose sum is σ = 83073036. Its totient is φ = 82983264.

The previous prime is 83028133. The next prime is 83028151. The reversal of 83028149 is 94182038.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94182038 = 2 ⋅47091019.

It can be written as a sum of positive squares in 2 ways, for example, as 26853124 + 56175025 = 5182^2 + 7495^2 .

It is a cyclic number.

It is not a de Polignac number, because 83028149 - 2⁴ = 83028133 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 (83028109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19544 + ... + 23409.

It is an arithmetic number, because the mean of its divisors is an integer number (20768259).

Almost surely, 2^83028149 is an apocalyptic number.

It is an amenable number.

83028149 is a deficient number, since it is larger than the sum of its proper divisors (44887).

83028149 is a wasteful number, since it uses less digits than its factorization.

83028149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44886.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 83028149 is about 9111.9783252596. The cubic root of 83028149 is about 436.2563739925.

The spelling of 83028149 in words is "eighty-three million, twenty-eight thousand, one hundred forty-nine".