42886408 has 8 divisors (see below), whose sum is σ = 80412030. Its totient is φ = 21443200.

The previous prime is 42886397. The next prime is 42886409. The reversal of 42886408 is 80468824.

It can be written as a sum of positive squares in only one way, i.e., 29181604 + 13704804 = 5402^2 + 3702^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×42886408² = 3678487982284928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42886409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2680393 + ... + 2680408.

Almost surely, 2^42886408 is an apocalyptic number.

It is an amenable number.

42886408 is a deficient number, since it is larger than the sum of its proper divisors (37525622).

42886408 is a wasteful number, since it uses less digits than its factorization.

42886408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5360807 (or 5360803 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 40.

The square root of 42886408 is about 6548.7714878441. The cubic root of 42886408 is about 350.0310394241.

The spelling of 42886408 in words is "forty-two million, eight hundred eighty-six thousand, four hundred eight".