1401552 has 30 divisors (see below), whose sum is σ = 3922802. Its totient is φ = 467136.

The previous prime is 1401529. The next prime is 1401559. The reversal of 1401552 is 2551041.

It can be written as a sum of positive squares in only one way, i.e., 1354896 + 46656 = 1164^2 + 216^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4723 + ... + 5010.

2^1401552 is an apocalyptic number.

1401552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1401552 is an abundant number, since it is smaller than the sum of its proper divisors (2521250).

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

1401552 is a wasteful number, since it uses less digits than its factorization.

1401552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9747 (or 9738 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 1401552 is about 1183.8716146610. The cubic root of 1401552 is about 111.9102171620.

Adding to 1401552 its reverse (2551041), we get a palindrome (3952593).

It can be divided in two parts, 1401 and 552, that added together give a triangular number (1953 = T₆₂).

The spelling of 1401552 in words is "one million, four hundred one thousand, five hundred fifty-two".