38311066 has 4 divisors (see below), whose sum is σ = 57466602. Its totient is φ = 19155532.

The previous prime is 38311051. The next prime is 38311067. The reversal of 38311066 is 66011383.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66011383 = 59 ⋅1118837.

It can be written as a sum of positive squares in only one way, i.e., 25857225 + 12453841 = 5085^2 + 3529^2 .

It is not an unprimeable number, because it can be changed into a prime (38311067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9577765 + ... + 9577768.

Almost surely, 2^38311066 is an apocalyptic number.

38311066 is a deficient number, since it is larger than the sum of its proper divisors (19155536).

38311066 is a wasteful number, since it uses less digits than its factorization.

38311066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19155535.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 38311066 is about 6189.5933630571. The cubic root of 38311066 is about 337.1124139588.

It can be divided in two parts, 383 and 11066, that added together give a square (11449 = 107²).

The spelling of 38311066 in words is "thirty-eight million, three hundred eleven thousand, sixty-six".