38474866 has 4 divisors (see below), whose sum is σ = 57712302. Its totient is φ = 19237432.

The previous prime is 38474861. The next prime is 38474879. The reversal of 38474866 is 66847483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66847483 = 199 ⋅335917.

It can be written as a sum of positive squares in only one way, i.e., 29648025 + 8826841 = 5445^2 + 2971^2 .

It is not an unprimeable number, because it can be changed into a prime (38474861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9618715 + ... + 9618718.

Almost surely, 2^38474866 is an apocalyptic number.

38474866 is a deficient number, since it is larger than the sum of its proper divisors (19237436).

38474866 is a wasteful number, since it uses less digits than its factorization.

38474866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19237435.

The product of its digits is 774144, while the sum is 46.

The square root of 38474866 is about 6202.8111368959. The cubic root of 38474866 is about 337.5921752808.

It can be divided in two parts, 38474 and 866, that added together give a triangular number (39340 = T₂₈₀).

The spelling of 38474866 in words is "thirty-eight million, four hundred seventy-four thousand, eight hundred sixty-six".