38823901 has 2 divisors, whose sum is σ = 38823902. Its totient is φ = 38823900.

The previous prime is 38823899. The next prime is 38823907. The reversal of 38823901 is 10932883.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30239001 + 8584900 = 5499^2 + 2930^2 .

It is a cyclic number.

It is not a de Polignac number, because 38823901 - 2¹ = 38823899 is a prime.

Together with 38823899, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38823907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19411950 + 19411951.

It is an arithmetic number, because the mean of its divisors is an integer number (19411951).

Almost surely, 2^38823901 is an apocalyptic number.

It is an amenable number.

38823901 is a deficient number, since it is larger than the sum of its proper divisors (1).

38823901 is an equidigital number, since it uses as much as digits as its factorization.

38823901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 38823901 is about 6230.8828427439. The cubic root of 38823901 is about 338.6099562277.

The spelling of 38823901 in words is "thirty-eight million, eight hundred twenty-three thousand, nine hundred one".