1342949 has 8 divisors (see below), whose sum is σ = 1432728. Its totient is φ = 1254400.

The previous prime is 1342909. The next prime is 1342963. The reversal of 1342949 is 9492431.

1342949 = 182² + 183² + ... + 215².

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1170724 + 172225 = 1082^2 + 415^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1342949 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342909) 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 7 ways as a sum of consecutive naturals, for example, 3149 + ... + 3549.

It is an arithmetic number, because the mean of its divisors is an integer number (179091).

2^1342949 is an apocalyptic number.

It is an amenable number.

1342949 is a deficient number, since it is larger than the sum of its proper divisors (89779).

1342949 is a wasteful number, since it uses less digits than its factorization.

1342949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615.

The product of its digits is 7776, while the sum is 32.

The square root of 1342949 is about 1158.8567642293. The cubic root of 1342949 is about 110.3281933899.

The spelling of 1342949 in words is "one million, three hundred forty-two thousand, nine hundred forty-nine".