38264861 has 2 divisors, whose sum is σ = 38264862. Its totient is φ = 38264860.

The previous prime is 38264783. The next prime is 38264867. The reversal of 38264861 is 16846283.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30591961 + 7672900 = 5531^2 + 2770^2 .

It is a cyclic number.

It is not a de Polignac number, because 38264861 - 2¹⁰ = 38263837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38264867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19132430 + 19132431.

It is an arithmetic number, because the mean of its divisors is an integer number (19132431).

Almost surely, 2^38264861 is an apocalyptic number.

It is an amenable number.

38264861 is a deficient number, since it is larger than the sum of its proper divisors (1).

38264861 is an equidigital number, since it uses as much as digits as its factorization.

38264861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296, while the sum is 38.

The square root of 38264861 is about 6185.8597623936. The cubic root of 38264861 is about 336.9768348096.

It can be divided in two parts, 382648 and 61, that multiplied together give a triangular number (23341528 = T₆₈₃₂).

The spelling of 38264861 in words is "thirty-eight million, two hundred sixty-four thousand, eight hundred sixty-one".