402082847 has 4 divisors (see below), whose sum is σ = 402123720. Its totient is φ = 402041976.

The previous prime is 402082843. The next prime is 402082853. The reversal of 402082847 is 748280204.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 402082847 - 2² = 402082843 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 (402082841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4304 + ... + 28682.

It is an arithmetic number, because the mean of its divisors is an integer number (100530930).

Almost surely, 2^402082847 is an apocalyptic number.

402082847 is a deficient number, since it is larger than the sum of its proper divisors (40873).

402082847 is a wasteful number, since it uses less digits than its factorization.

402082847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40872.

The product of its (nonzero) digits is 28672, while the sum is 35.

The square root of 402082847 is about 20052.0035657288. The cubic root of 402082847 is about 738.0829653620.

The spelling of 402082847 in words is "four hundred two million, eighty-two thousand, eight hundred forty-seven".