1023538 has 8 divisors (see below), whose sum is σ = 1541232. Its totient is φ = 509796.

The previous prime is 1023521. The next prime is 1023541. The reversal of 1023538 is 8353201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220 + ... + 1447.

It is an arithmetic number, because the mean of its divisors is an integer number (192654).

2^1023538 is an apocalyptic number.

1023538 is a deficient number, since it is larger than the sum of its proper divisors (517694).

1023538 is a wasteful number, since it uses less digits than its factorization.

1023538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1023538 is about 1011.7005485814. The cubic root of 1023538 is about 100.7785232862.

Adding to 1023538 its reverse (8353201), we get a palindrome (9376739).

The spelling of 1023538 in words is "one million, twenty-three thousand, five hundred thirty-eight".