42386013 has 12 divisors (see below), whose sum is σ = 62262720. Its totient is φ = 27778056.

The previous prime is 42386011. The next prime is 42386039. The reversal of 42386013 is 31068324.

It is a happy number.

It is not a de Polignac number, because 42386013 - 2¹ = 42386011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42386011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39381 + ... + 40442.

It is an arithmetic number, because the mean of its divisors is an integer number (5188560).

Almost surely, 2^42386013 is an apocalyptic number.

It is an amenable number.

42386013 is a deficient number, since it is larger than the sum of its proper divisors (19876707).

42386013 is a wasteful number, since it uses less digits than its factorization.

42386013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79888 (or 79885 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 42386013 is about 6510.4541316255. The cubic root of 42386013 is about 348.6643324480.

It can be divided in two parts, 423 and 86013, that added together give a square (86436 = 294²).

The spelling of 42386013 in words is "forty-two million, three hundred eighty-six thousand, thirteen".