38494197 has 20 divisors (see below), whose sum is σ = 65719456. Its totient is φ = 21996360.

The previous prime is 38494193. The next prime is 38494217. The reversal of 38494197 is 79149483.

It is not a de Polignac number, because 38494197 - 2² = 38494193 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38494193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 33379 + ... + 34512.

Almost surely, 2^38494197 is an apocalyptic number.

It is an amenable number.

38494197 is a deficient number, since it is larger than the sum of its proper divisors (27225259).

38494197 is an equidigital number, since it uses as much as digits as its factorization.

38494197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67910 (or 67901 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 38494197 is about 6204.3691863073. The cubic root of 38494197 is about 337.6487048404.

The spelling of 38494197 in words is "thirty-eight million, four hundred ninety-four thousand, one hundred ninety-seven".