286492946 has 4 divisors (see below), whose sum is σ = 429739422. Its totient is φ = 143246472.

The previous prime is 286492919. The next prime is 286492949. The reversal of 286492946 is 649294682.

It is a happy number.

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., 199798225 + 86694721 = 14135^2 + 9311^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 286492894 and 286492903.

It is not an unprimeable number, because it can be changed into a prime (286492949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71623235 + ... + 71623238.

Almost surely, 2^286492946 is an apocalyptic number.

286492946 is a deficient number, since it is larger than the sum of its proper divisors (143246476).

286492946 is a wasteful number, since it uses less digits than its factorization.

286492946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143246475.

The product of its digits is 1492992, while the sum is 50.

The square root of 286492946 is about 16926.1025047115. The cubic root of 286492946 is about 659.2315405606.

The spelling of 286492946 in words is "two hundred eighty-six million, four hundred ninety-two thousand, nine hundred forty-six".