42950986 has 8 divisors (see below), whose sum is σ = 69382404. Its totient is φ = 19823520.

The previous prime is 42950983. The next prime is 42951017. The reversal of 42950986 is 68905924.

It can be written as a sum of positive squares in 2 ways, for example, as 42653961 + 297025 = 6531^2 + 545^2 .

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

It is not an unprimeable number, because it can be changed into a prime (42950981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 825955 + ... + 826006.

Almost surely, 2^42950986 is an apocalyptic number.

42950986 is a deficient number, since it is larger than the sum of its proper divisors (26431418).

42950986 is a wasteful number, since it uses less digits than its factorization.

42950986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651976.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 42950986 is about 6553.7001762363. The cubic root of 42950986 is about 350.2066425985.

It can be divided in two parts, 429 and 50986, that added together give a palindrome (51415).

The spelling of 42950986 in words is "forty-two million, nine hundred fifty thousand, nine hundred eighty-six".