1552416 has 48 divisors (see below), whose sum is σ = 4140864. Its totient is φ = 509184.

The previous prime is 1552403. The next prime is 1552417. The reversal of 1552416 is 6142551.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552417) 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, 9810 + ... + 9966.

It is an arithmetic number, because the mean of its divisors is an integer number (86268).

2^1552416 is an apocalyptic number.

1552416 is a gapful number since it is divisible by the number (16) 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 1552416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2070432).

1552416 is an abundant number, since it is smaller than the sum of its proper divisors (2588448).

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

1552416 is a wasteful number, since it uses less digits than its factorization.

1552416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 265 counting only the distinct ones).

The product of its digits is 1200, while the sum is 24.

The square root of 1552416 is about 1245.9598709429. The cubic root of 1552416 is about 115.7895510511.

Adding to 1552416 its reverse (6142551), we get a palindrome (7694967).

The spelling of 1552416 in words is "one million, five hundred fifty-two thousand, four hundred sixteen".