42800386 has 8 divisors (see below), whose sum is σ = 64316304. Its totient is φ = 21361620.

The previous prime is 42800371. The next prime is 42800393. The reversal of 42800386 is 68300824.

It is a happy number.

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

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, 17880 + ... + 20131.

It is an arithmetic number, because the mean of its divisors is an integer number (8039538).

Almost surely, 2^42800386 is an apocalyptic number.

42800386 is a deficient number, since it is larger than the sum of its proper divisors (21515918).

42800386 is a wasteful number, since it uses less digits than its factorization.

42800386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38576.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 42800386 is about 6542.2003943627. The cubic root of 42800386 is about 349.7968508172.

The spelling of 42800386 in words is "forty-two million, eight hundred thousand, three hundred eighty-six".