38406635 has 8 divisors (see below), whose sum is σ = 46138560. Its totient is φ = 30691584.

The previous prime is 38406631. The next prime is 38406647. The reversal of 38406635 is 53660483.

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

It is a cyclic number.

It is not a de Polignac number, because 38406635 - 2² = 38406631 is a prime.

It is a super-2 number, since 2×38406635² = 2950139224046450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38406595 and 38406604.

It is not an unprimeable number, because it can be changed into a prime (38406631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1499 + ... + 8891.

It is an arithmetic number, because the mean of its divisors is an integer number (5767320).

Almost surely, 2^38406635 is an apocalyptic number.

38406635 is a deficient number, since it is larger than the sum of its proper divisors (7731925).

38406635 is a wasteful number, since it uses less digits than its factorization.

38406635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8437.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 38406635 is about 6197.3086900686. The cubic root of 38406635 is about 337.3924961674.

The spelling of 38406635 in words is "thirty-eight million, four hundred six thousand, six hundred thirty-five".