38920403 has 2 divisors, whose sum is σ = 38920404. Its totient is φ = 38920402.

The previous prime is 38920397. The next prime is 38920421. The reversal of 38920403 is 30402983.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38920403 - 2⁶ = 38920339 is a prime.

It is not a weakly prime, because it can be changed into another prime (38920003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19460201 + 19460202.

It is an arithmetic number, because the mean of its divisors is an integer number (19460202).

Almost surely, 2^38920403 is an apocalyptic number.

38920403 is a deficient number, since it is larger than the sum of its proper divisors (1).

38920403 is an equidigital number, since it uses as much as digits as its factorization.

38920403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 38920403 is about 6238.6218830764. The cubic root of 38920403 is about 338.8902775461.

The spelling of 38920403 in words is "thirty-eight million, nine hundred twenty thousand, four hundred three".