286620772 has 6 divisors (see below), whose sum is σ = 501586358. Its totient is φ = 143310384.

The previous prime is 286620749. The next prime is 286620773. The reversal of 286620772 is 277026682.

It can be written as a sum of positive squares in only one way, i.e., 273703936 + 12916836 = 16544^2 + 3594^2 .

It is not an unprimeable number, because it can be changed into a prime (286620773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35827593 + ... + 35827600.

Almost surely, 2^286620772 is an apocalyptic number.

It is an amenable number.

286620772 is a deficient number, since it is larger than the sum of its proper divisors (214965586).

286620772 is a wasteful number, since it uses less digits than its factorization.

286620772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71655197 (or 71655195 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 286620772 is about 16929.8780857985. The cubic root of 286620772 is about 659.3295702010.

The spelling of 286620772 in words is "two hundred eighty-six million, six hundred twenty thousand, seven hundred seventy-two".