1340394 has 32 divisors (see below), whose sum is σ = 3055104. Its totient is φ = 388080.

The previous prime is 1340387. The next prime is 1340401. The reversal of 1340394 is 4930431.

It is an interprime number because it is at equal distance from previous prime (1340387) and next prime (1340401).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1077 + ... + 1959.

It is an arithmetic number, because the mean of its divisors is an integer number (95472).

2^1340394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1340394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1527552).

1340394 is an abundant number, since it is smaller than the sum of its proper divisors (1714710).

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

1340394 is a wasteful number, since it uses less digits than its factorization.

1340394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 1340394 is about 1157.7538598510. The cubic root of 1340394 is about 110.2581814261.

The spelling of 1340394 in words is "one million, three hundred forty thousand, three hundred ninety-four".