1553472 has 112 divisors (see below), whose sum is σ = 4876800. Its totient is φ = 483840.

The previous prime is 1553471. The next prime is 1553479. The reversal of 1553472 is 2743551.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1553471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50097 + ... + 50127.

2^1553472 is an apocalyptic number.

1553472 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 1553472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2438400).

1553472 is an abundant number, since it is smaller than the sum of its proper divisors (3323328).

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

1553472 is a wasteful number, since it uses less digits than its factorization.

1553472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 65 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 1553472 is about 1246.3835685695. The cubic root of 1553472 is about 115.8157996107.

It can be divided in two parts, 1553 and 472, that added together give a square (2025 = 45²).

The spelling of 1553472 in words is "one million, five hundred fifty-three thousand, four hundred seventy-two".