1023436 has 6 divisors (see below), whose sum is σ = 1791020. Its totient is φ = 511716.

The previous prime is 1023419. The next prime is 1023461. The reversal of 1023436 is 6343201.

It is a plaindrome in base 13.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127926 + ... + 127933.

2^1023436 is an apocalyptic number.

It is an amenable number.

1023436 is a deficient number, since it is larger than the sum of its proper divisors (767584).

1023436 is a wasteful number, since it uses less digits than its factorization.

1023436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255863 (or 255861 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1023436 is about 1011.6501371522. The cubic root of 1023436 is about 100.7751755027.

Adding to 1023436 its reverse (6343201), we get a palindrome (7366637).

The spelling of 1023436 in words is "one million, twenty-three thousand, four hundred thirty-six".