38684435 has 32 divisors (see below), whose sum is σ = 51881472. Its totient is φ = 27555840.

The previous prime is 38684389. The next prime is 38684467. The reversal of 38684435 is 53448683.

It is a happy number.

It is not a de Polignac number, because 38684435 - 2¹⁸ = 38422291 is a prime.

It is a super-2 number, since 2×38684435² = 2992971022538450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38684392 and 38684401.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139517 + ... + 139793.

It is an arithmetic number, because the mean of its divisors is an integer number (1621296).

Almost surely, 2^38684435 is an apocalyptic number.

38684435 is a deficient number, since it is larger than the sum of its proper divisors (13197037).

38684435 is a wasteful number, since it uses less digits than its factorization.

38684435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383.

The product of its digits is 276480, while the sum is 41.

The square root of 38684435 is about 6219.6812619297. The cubic root of 38684435 is about 338.2040100974.

The spelling of 38684435 in words is "thirty-eight million, six hundred eighty-four thousand, four hundred thirty-five".