10205438 has 4 divisors (see below), whose sum is σ = 15308160. Its totient is φ = 5102718.

The previous prime is 10205411. The next prime is 10205441. The reversal of 10205438 is 83450201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83450201 = 3643 ⋅22907.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2551358 + ... + 2551361.

It is an arithmetic number, because the mean of its divisors is an integer number (3827040).

Almost surely, 2^10205438 is an apocalyptic number.

10205438 is a deficient number, since it is larger than the sum of its proper divisors (5102722).

10205438 is an equidigital number, since it uses as much as digits as its factorization.

10205438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5102721.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 10205438 is about 3194.5951230164. The cubic root of 10205438 is about 216.9088222213.

Adding to 10205438 its reverse (83450201), we get a palindrome (93655639).

The spelling of 10205438 in words is "ten million, two hundred five thousand, four hundred thirty-eight".