38772401 has 2 divisors, whose sum is σ = 38772402. Its totient is φ = 38772400.

The previous prime is 38772379. The next prime is 38772439. The reversal of 38772401 is 10427783.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38738176 + 34225 = 6224^2 + 185^2 .

It is a cyclic number.

It is not a de Polignac number, because 38772401 - 2¹⁰ = 38771377 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38772451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19386200 + 19386201.

It is an arithmetic number, because the mean of its divisors is an integer number (19386201).

Almost surely, 2^38772401 is an apocalyptic number.

It is an amenable number.

38772401 is a deficient number, since it is larger than the sum of its proper divisors (1).

38772401 is an equidigital number, since it uses as much as digits as its factorization.

38772401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 38772401 is about 6226.7488306499. The cubic root of 38772401 is about 338.4601676637.

The spelling of 38772401 in words is "thirty-eight million, seven hundred seventy-two thousand, four hundred one".