1023396 has 24 divisors (see below), whose sum is σ = 2605344. Its totient is φ = 310080.

The previous prime is 1023391. The next prime is 1023409. The reversal of 1023396 is 6933201.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3745 + ... + 4008.

It is an arithmetic number, because the mean of its divisors is an integer number (108556).

2^1023396 is an apocalyptic number.

It is an amenable number.

1023396 is an abundant number, since it is smaller than the sum of its proper divisors (1581948).

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

1023396 is a wasteful number, since it uses less digits than its factorization.

1023396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7771 (or 7769 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 1023396 is about 1011.6303672785. The cubic root of 1023396 is about 100.7738625857.

Adding to 1023396 its reverse (6933201), we get a palindrome (7956597).

The spelling of 1023396 in words is "one million, twenty-three thousand, three hundred ninety-six".