38677609 has 4 divisors (see below), whose sum is σ = 38839680. Its totient is φ = 38515540.

The previous prime is 38677603. The next prime is 38677621. The reversal of 38677609 is 90677683.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90677683 = 2203 ⋅41161.

It is a cyclic number.

It is not a de Polignac number, because 38677609 - 2⁵ = 38677577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38677603) 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, 80677 + ... + 81154.

It is an arithmetic number, because the mean of its divisors is an integer number (9709920).

Almost surely, 2^38677609 is an apocalyptic number.

It is an amenable number.

38677609 is a deficient number, since it is larger than the sum of its proper divisors (162071).

38677609 is a wasteful number, since it uses less digits than its factorization.

38677609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162070.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 38677609 is about 6219.1324957746. The cubic root of 38677609 is about 338.1841165117.

It can be divided in two parts, 3867 and 7609, that added together give a triangular number (11476 = T₁₅₁).

The spelling of 38677609 in words is "thirty-eight million, six hundred seventy-seven thousand, six hundred nine".