10066438 has 4 divisors (see below), whose sum is σ = 15099660. Its totient is φ = 5033218.

The previous prime is 10066421. The next prime is 10066439. The reversal of 10066438 is 83466001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83466001 = 223 ⋅374287.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10066439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2516608 + ... + 2516611.

It is an arithmetic number, because the mean of its divisors is an integer number (3774915).

Almost surely, 2^10066438 is an apocalyptic number.

10066438 is a deficient number, since it is larger than the sum of its proper divisors (5033222).

10066438 is an equidigital number, since it uses as much as digits as its factorization.

10066438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5033221.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 10066438 is about 3172.7650401503. The cubic root of 10066438 is about 215.9195373601.

The spelling of 10066438 in words is "ten million, sixty-six thousand, four hundred thirty-eight".