42284686 has 4 divisors (see below), whose sum is σ = 63427032. Its totient is φ = 21142342.

The previous prime is 42284663. The next prime is 42284687. The reversal of 42284686 is 68648224.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42284687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10571170 + ... + 10571173.

It is an arithmetic number, because the mean of its divisors is an integer number (15856758).

Almost surely, 2^42284686 is an apocalyptic number.

42284686 is a deficient number, since it is larger than the sum of its proper divisors (21142346).

42284686 is a wasteful number, since it uses less digits than its factorization.

42284686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21142345.

The product of its digits is 147456, while the sum is 40.

The square root of 42284686 is about 6502.6676064520. The cubic root of 42284686 is about 348.3862745222.

The spelling of 42284686 in words is "forty-two million, two hundred eighty-four thousand, six hundred eighty-six".