860243402 has 4 divisors (see below), whose sum is σ = 1290365106. Its totient is φ = 430121700.

The previous prime is 860243399. The next prime is 860243407. The reversal of 860243402 is 204342068.

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., 447787921 + 412455481 = 21161^2 + 20309^2 .

It is not an unprimeable number, because it can be changed into a prime (860243407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215060849 + ... + 215060852.

Almost surely, 2^860243402 is an apocalyptic number.

860243402 is a deficient number, since it is larger than the sum of its proper divisors (430121704).

860243402 is a wasteful number, since it uses less digits than its factorization.

860243402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430121703.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 860243402 is about 29329.9062732904. The cubic root of 860243402 is about 951.0582489846.

The spelling of 860243402 in words is "eight hundred sixty million, two hundred forty-three thousand, four hundred two".