38450686 has 8 divisors (see below), whose sum is σ = 59017464. Its totient is φ = 18778200.

The previous prime is 38450677. The next prime is 38450707. The reversal of 38450686 is 68605483.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223465 + ... + 223636.

It is an arithmetic number, because the mean of its divisors is an integer number (7377183).

Almost surely, 2^38450686 is an apocalyptic number.

38450686 is the 3315-th centered heptagonal number.

38450686 is a deficient number, since it is larger than the sum of its proper divisors (20566778).

38450686 is a wasteful number, since it uses less digits than its factorization.

38450686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447146.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 38450686 is about 6200.8617143104. The cubic root of 38450686 is about 337.5214391502.

The spelling of 38450686 in words is "thirty-eight million, four hundred fifty thousand, six hundred eighty-six".