1097472 has 36 divisors (see below), whose sum is σ = 2922920. Its totient is φ = 365568.

The previous prime is 1097461. The next prime is 1097483. The reversal of 1097472 is 2747901.

It is an interprime number because it is at equal distance from previous prime (1097461) and next prime (1097483).

It is a super-3 number, since 3×1097472³ = 3965533300293894144, which contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54 + ... + 1482.

2^1097472 is an apocalyptic number.

1097472 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 1097472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1461460).

1097472 is an abundant number, since it is smaller than the sum of its proper divisors (1825448).

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

1097472 is an equidigital number, since it uses as much as digits as its factorization.

1097472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448 (or 1434 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 1097472 is about 1047.6029782317. The cubic root of 1097472 is about 103.1488719758.

The spelling of 1097472 in words is "one million, ninety-seven thousand, four hundred seventy-two".