38798407 has 2 divisors, whose sum is σ = 38798408. Its totient is φ = 38798406.

The previous prime is 38798387. The next prime is 38798449. The reversal of 38798407 is 70489783.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38798407 is a prime.

It is a super-3 number, since 3×38798407³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38798477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19399203 + 19399204.

It is an arithmetic number, because the mean of its divisors is an integer number (19399204).

Almost surely, 2^38798407 is an apocalyptic number.

38798407 is a deficient number, since it is larger than the sum of its proper divisors (1).

38798407 is an equidigital number, since it uses as much as digits as its factorization.

38798407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 38798407 is about 6228.8367292778. The cubic root of 38798407 is about 338.5358230929.

The spelling of 38798407 in words is "thirty-eight million, seven hundred ninety-eight thousand, four hundred seven".