38428201 has 6 divisors (see below), whose sum is σ = 44702250. Its totient is φ = 32938416.

The previous prime is 38428183. The next prime is 38428223. The reversal of 38428201 is 10282483.

It can be written as a sum of positive squares in only one way, i.e., 38378025 + 50176 = 6195^2 + 224^2 .

It is not a de Polignac number, because 38428201 - 2⁷ = 38428073 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38428201.

It is not an unprimeable number, because it can be changed into a prime (38428501) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 392076 + ... + 392173.

It is an arithmetic number, because the mean of its divisors is an integer number (7450375).

Almost surely, 2^38428201 is an apocalyptic number.

It is an amenable number.

38428201 is a deficient number, since it is larger than the sum of its proper divisors (6274049).

38428201 is an equidigital number, since it uses as much as digits as its factorization.

38428201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784263 (or 784256 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 38428201 is about 6199.0483947135. The cubic root of 38428201 is about 337.4556349548.

The spelling of 38428201 in words is "thirty-eight million, four hundred twenty-eight thousand, two hundred one".