1023464 has 24 divisors (see below), whose sum is σ = 2080710. Its totient is φ = 471744.

The previous prime is 1023461. The next prime is 1023467. The reversal of 1023464 is 4643201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1023461) and next prime (1023467).

It can be written as a sum of positive squares in 3 ways, for example, as 574564 + 448900 = 758^2 + 670^2 .

It is not an unprimeable number, because it can be changed into a prime (1023461) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 974 + ... + 1730.

2^1023464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1023464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1040355).

1023464 is an abundant number, since it is smaller than the sum of its proper divisors (1057246).

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

1023464 is a wasteful number, since it uses less digits than its factorization.

1023464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789 (or 772 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1023464 is about 1011.6639758339. The cubic root of 1023464 is about 100.7760945242.

Adding to 1023464 its reverse (4643201), we get a palindrome (5666665).

The spelling of 1023464 in words is "one million, twenty-three thousand, four hundred sixty-four".