38444761 has 2 divisors, whose sum is σ = 38444762. Its totient is φ = 38444760.

The previous prime is 38444729. The next prime is 38444821. The reversal of 38444761 is 16744483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38440000 + 4761 = 6200^2 + 69^2 .

It is a cyclic number.

It is not a de Polignac number, because 38444761 - 2⁵ = 38444729 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38444761.

It is not a weakly prime, because it can be changed into another prime (38441761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19222380 + 19222381.

It is an arithmetic number, because the mean of its divisors is an integer number (19222381).

Almost surely, 2^38444761 is an apocalyptic number.

It is an amenable number.

38444761 is a deficient number, since it is larger than the sum of its proper divisors (1).

38444761 is an equidigital number, since it uses as much as digits as its factorization.

38444761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 37.

The square root of 38444761 is about 6200.3839397250. The cubic root of 38444761 is about 337.5041016420.

It can be divided in two parts, 3844 and 4761, that multiplied together give a square (18301284 = 4278²).

The spelling of 38444761 in words is "thirty-eight million, four hundred forty-four thousand, seven hundred sixty-one".