38381497 has 8 divisors (see below), whose sum is σ = 47852352. Its totient is φ = 29907600.

The previous prime is 38381489. The next prime is 38381507. The reversal of 38381497 is 79418383.

It is a happy number.

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 38381497 - 2³ = 38381489 is a prime.

It is a super-2 number, since 2×38381497² = 2946278623922018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38381417) 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, 249154 + ... + 249307.

It is an arithmetic number, because the mean of its divisors is an integer number (5981544).

Almost surely, 2^38381497 is an apocalyptic number.

It is an amenable number.

38381497 is a deficient number, since it is larger than the sum of its proper divisors (9470855).

38381497 is a wasteful number, since it uses less digits than its factorization.

38381497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498479.

The product of its digits is 145152, while the sum is 43.

The square root of 38381497 is about 6195.2802196511. The cubic root of 38381497 is about 337.3188697948.

It can be divided in two parts, 3838 and 1497, that added together give a palindrome (5335).

The spelling of 38381497 in words is "thirty-eight million, three hundred eighty-one thousand, four hundred ninety-seven".