38828497 has 2 divisors, whose sum is σ = 38828498. Its totient is φ = 38828496.

The previous prime is 38828473. The next prime is 38828509. The reversal of 38828497 is 79482883.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38825361 + 3136 = 6231^2 + 56^2 .

It is a cyclic number.

It is not a de Polignac number, because 38828497 - 2⁷ = 38828369 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38828497.

It is not a weakly prime, because it can be changed into another prime (38828407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19414248 + 19414249.

It is an arithmetic number, because the mean of its divisors is an integer number (19414249).

Almost surely, 2^38828497 is an apocalyptic number.

It is an amenable number.

38828497 is a deficient number, since it is larger than the sum of its proper divisors (1).

38828497 is an equidigital number, since it uses as much as digits as its factorization.

38828497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 774144, while the sum is 49.

The square root of 38828497 is about 6231.2516399195. The cubic root of 38828497 is about 338.6233173266.

The spelling of 38828497 in words is "thirty-eight million, eight hundred twenty-eight thousand, four hundred ninety-seven".