38697249 has 4 divisors (see below), whose sum is σ = 51596336. Its totient is φ = 25798164.

The previous prime is 38697233. The next prime is 38697251. The reversal of 38697249 is 94279683.

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.

It is not a de Polignac number, because 38697249 - 2⁴ = 38697233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38697198 and 38697207.

It is not an unprimeable number, because it can be changed into a prime (38697209) 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, 6449539 + ... + 6449544.

It is an arithmetic number, because the mean of its divisors is an integer number (12899084).

Almost surely, 2^38697249 is an apocalyptic number.

It is an amenable number.

38697249 is a deficient number, since it is larger than the sum of its proper divisors (12899087).

38697249 is a wasteful number, since it uses less digits than its factorization.

38697249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12899086.

The product of its digits is 653184, while the sum is 48.

The square root of 38697249 is about 6220.7112937348. The cubic root of 38697249 is about 338.2413486959.

The spelling of 38697249 in words is "thirty-eight million, six hundred ninety-seven thousand, two hundred forty-nine".