1023672 has 64 divisors (see below), whose sum is σ = 2933280. Its totient is φ = 294912.

The previous prime is 1023653. The next prime is 1023697. The reversal of 1023672 is 2763201.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 5208 + ... + 5400.

2^1023672 is an apocalyptic number.

1023672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1023672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1466640).

1023672 is an abundant number, since it is smaller than the sum of its proper divisors (1909608).

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

1023672 is a wasteful number, since it uses less digits than its factorization.

1023672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 1023672 is about 1011.7667715437. The cubic root of 1023672 is about 100.7829210167.

Adding to 1023672 its reverse (2763201), we get a palindrome (3786873).

It can be divided in two parts, 102 and 3672, that multiplied together give a square (374544 = 612²).

The spelling of 1023672 in words is "one million, twenty-three thousand, six hundred seventy-two".