1553349 has 12 divisors (see below), whose sum is σ = 2409504. Its totient is φ = 887544.

The previous prime is 1553347. The next prime is 1553369. The reversal of 1553349 is 9433551.

It is not a de Polignac number, because 1553349 - 2¹ = 1553347 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1553347) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 5137 + ... + 5430.

It is an arithmetic number, because the mean of its divisors is an integer number (200792).

2^1553349 is an apocalyptic number.

It is an amenable number.

1553349 is a deficient number, since it is larger than the sum of its proper divisors (856155).

1553349 is a wasteful number, since it uses less digits than its factorization.

1553349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10584 (or 10577 counting only the distinct ones).

The product of its digits is 8100, while the sum is 30.

The square root of 1553349 is about 1246.3342248370. The cubic root of 1553349 is about 115.8127428623.

The spelling of 1553349 in words is "one million, five hundred fifty-three thousand, three hundred forty-nine".