42386990 has 8 divisors (see below), whose sum is σ = 76296600. Its totient is φ = 16954792.

The previous prime is 42386987. The next prime is 42387011. The reversal of 42386990 is 9968324.

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, 2119340 + ... + 2119359.

It is an arithmetic number, because the mean of its divisors is an integer number (9537075).

Almost surely, 2^42386990 is an apocalyptic number.

42386990 is a deficient number, since it is larger than the sum of its proper divisors (33909610).

42386990 is a wasteful number, since it uses less digits than its factorization.

42386990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4238706.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 42386990 is about 6510.5291643614. The cubic root of 42386990 is about 348.6670113383.

The spelling of 42386990 in words is "forty-two million, three hundred eighty-six thousand, nine hundred ninety".