42802386 has 32 divisors (see below), whose sum is σ = 94326336. Its totient is φ = 12840000.

The previous prime is 42802369. The next prime is 42802391. The reversal of 42802386 is 68320824.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3456 + ... + 9876.

It is an arithmetic number, because the mean of its divisors is an integer number (2947698).

Almost surely, 2^42802386 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42802386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47163168).

42802386 is an abundant number, since it is smaller than the sum of its proper divisors (51523950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42802386 is a wasteful number, since it uses less digits than its factorization.

42802386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6538.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 42802386 is about 6542.3532463480. The cubic root of 42802386 is about 349.8022992323.

It can be divided in two parts, 4280 and 2386, that added together give a palindrome (6666).

The spelling of 42802386 in words is "forty-two million, eight hundred two thousand, three hundred eighty-six".