1340492 has 6 divisors (see below), whose sum is σ = 2345868. Its totient is φ = 670244.

The previous prime is 1340491. The next prime is 1340497. The reversal of 1340492 is 2940431.

It is not an unprimeable number, because it can be changed into a prime (1340491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167558 + ... + 167565.

It is an arithmetic number, because the mean of its divisors is an integer number (390978).

2^1340492 is an apocalyptic number.

It is an amenable number.

1340492 is a deficient number, since it is larger than the sum of its proper divisors (1005376).

1340492 is a wasteful number, since it uses less digits than its factorization.

1340492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335127 (or 335125 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1340492 is about 1157.7961824086. The cubic root of 1340492 is about 110.2608684565.

The spelling of 1340492 in words is "one million, three hundred forty thousand, four hundred ninety-two".