42388246 has 4 divisors (see below), whose sum is σ = 63582372. Its totient is φ = 21194122.

The previous prime is 42388243. The next prime is 42388249. The reversal of 42388246 is 64288324.

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

It is an interprime number because it is at equal distance from previous prime (42388243) and next prime (42388249).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42388243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10597060 + ... + 10597063.

It is an arithmetic number, because the mean of its divisors is an integer number (15895593).

Almost surely, 2^42388246 is an apocalyptic number.

42388246 is a deficient number, since it is larger than the sum of its proper divisors (21194126).

42388246 is a wasteful number, since it uses less digits than its factorization.

42388246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21194125.

The product of its digits is 73728, while the sum is 37.

The square root of 42388246 is about 6510.6256227800. The cubic root of 42388246 is about 348.6704551736.

The spelling of 42388246 in words is "forty-two million, three hundred eighty-eight thousand, two hundred forty-six".