82486402 has 4 divisors (see below), whose sum is σ = 123729606. Its totient is φ = 41243200.

The previous prime is 82486399. The next prime is 82486409. The reversal of 82486402 is 20468428.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 47900241 + 34586161 = 6921^2 + 5881^2 .

It is not an unprimeable number, because it can be changed into a prime (82486409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20621599 + ... + 20621602.

Almost surely, 2^82486402 is an apocalyptic number.

82486402 is a deficient number, since it is larger than the sum of its proper divisors (41243204).

82486402 is a wasteful number, since it uses less digits than its factorization.

82486402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41243203.

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 82486402 is about 9082.2024861814. The cubic root of 82486402 is about 435.3054656325.

The spelling of 82486402 in words is "eighty-two million, four hundred eighty-six thousand, four hundred two".