1553342 has 16 divisors (see below), whose sum is σ = 2681952. Its totient is φ = 660960.

The previous prime is 1553339. The next prime is 1553347. The reversal of 1553342 is 2433551.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2228 + ... + 2840.

It is an arithmetic number, because the mean of its divisors is an integer number (167622).

2^1553342 is an apocalyptic number.

1553342 is a deficient number, since it is larger than the sum of its proper divisors (1128610).

1553342 is a wasteful number, since it uses less digits than its factorization.

1553342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803.

The product of its digits is 1800, while the sum is 23.

The square root of 1553342 is about 1246.3314165983. The cubic root of 1553342 is about 115.8125688961.

Adding to 1553342 its reverse (2433551), we get a palindrome (3986893).

The spelling of 1553342 in words is "one million, five hundred fifty-three thousand, three hundred forty-two".