1023534 has 24 divisors (see below), whose sum is σ = 2243592. Its totient is φ = 337200.

The previous prime is 1023521. The next prime is 1023541. The reversal of 1023534 is 4353201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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 in 11 ways as a sum of consecutive naturals, for example, 1537 + ... + 2099.

It is an arithmetic number, because the mean of its divisors is an integer number (93483).

2^1023534 is an apocalyptic number.

1023534 is an abundant number, since it is smaller than the sum of its proper divisors (1220058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1023534 is a wasteful number, since it uses less digits than its factorization.

1023534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672 (or 669 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 1023534 is about 1011.6985717100. The cubic root of 1023534 is about 100.7783920048.

Adding to 1023534 its reverse (4353201), we get a palindrome (5376735).

The spelling of 1023534 in words is "one million, twenty-three thousand, five hundred thirty-four".