1342290 has 32 divisors (see below), whose sum is σ = 3260736. Its totient is φ = 353600.

The previous prime is 1342283. The next prime is 1342291. The reversal of 1342290 is 922431.

It is not an unprimeable number, because it can be changed into a prime (1342291) 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, 2809 + ... + 3251.

It is an arithmetic number, because the mean of its divisors is an integer number (101898).

2^1342290 is an apocalyptic number.

1342290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1342290 is an abundant number, since it is smaller than the sum of its proper divisors (1918446).

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

1342290 is a wasteful number, since it uses less digits than its factorization.

1342290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1342290 is about 1158.5723973926. The cubic root of 1342290 is about 110.3101440136.

The spelling of 1342290 in words is "one million, three hundred forty-two thousand, two hundred ninety".