38466143 has 4 divisors (see below), whose sum is σ = 40138608. Its totient is φ = 36793680.

The previous prime is 38466139. The next prime is 38466157. The reversal of 38466143 is 34166483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34166483 = 13 ⋅2628191.

It is a cyclic number.

It is not a de Polignac number, because 38466143 - 2² = 38466139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38466343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 836198 + ... + 836243.

It is an arithmetic number, because the mean of its divisors is an integer number (10034652).

Almost surely, 2^38466143 is an apocalyptic number.

38466143 is a deficient number, since it is larger than the sum of its proper divisors (1672465).

38466143 is a wasteful number, since it uses less digits than its factorization.

38466143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672464.

The product of its digits is 41472, while the sum is 35.

The square root of 38466143 is about 6202.1079481093. The cubic root of 38466143 is about 337.5666604497.

The spelling of 38466143 in words is "thirty-eight million, four hundred sixty-six thousand, one hundred forty-three".