38682198 has 56 divisors (see below), whose sum is σ = 89162568. Its totient is φ = 12573792.

The previous prime is 38682197. The next prime is 38682211. The reversal of 38682198 is 89128683.

38682198 is a `hidden beast` number, since 386 + 82 + 198 = 666.

It is a super-2 number, since 2×38682198² = 2992624884222408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38682197) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 62386 + ... + 63002.

Almost surely, 2^38682198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38682198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44581284).

38682198 is an abundant number, since it is smaller than the sum of its proper divisors (50480370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38682198 is an equidigital number, since it uses as much as digits as its factorization.

38682198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680 (or 665 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 38682198 is about 6219.5014269634. The cubic root of 38682198 is about 338.1974908780.

The spelling of 38682198 in words is "thirty-eight million, six hundred eighty-two thousand, one hundred ninety-eight".