1353642 has 32 divisors (see below), whose sum is σ = 2996352. Its totient is φ = 405504.

The previous prime is 1353641. The next prime is 1353679. The reversal of 1353642 is 2463531.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1353641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2058 + ... + 2634.

It is an arithmetic number, because the mean of its divisors is an integer number (93636).

2^1353642 is an apocalyptic number.

1353642 is an abundant number, since it is smaller than the sum of its proper divisors (1642710).

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

1353642 is a wasteful number, since it uses less digits than its factorization.

1353642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622.

The product of its digits is 2160, while the sum is 24.

The square root of 1353642 is about 1163.4612155117. The cubic root of 1353642 is about 110.6202427014.

The spelling of 1353642 in words is "one million, three hundred fifty-three thousand, six hundred forty-two".