42811286 has 8 divisors (see below), whose sum is σ = 73390800. Its totient is φ = 18347688.

The previous prime is 42811277. The next prime is 42811393. The reversal of 42811286 is 68211824.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1528961 + ... + 1528988.

It is an arithmetic number, because the mean of its divisors is an integer number (9173850).

Almost surely, 2^42811286 is an apocalyptic number.

42811286 is a deficient number, since it is larger than the sum of its proper divisors (30579514).

42811286 is a wasteful number, since it uses less digits than its factorization.

42811286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3057958.

The product of its digits is 6144, while the sum is 32.

The square root of 42811286 is about 6543.0333943822. The cubic root of 42811286 is about 349.8265426215.

The spelling of 42811286 in words is "forty-two million, eight hundred eleven thousand, two hundred eighty-six".