1344690 has 48 divisors (see below), whose sum is σ = 3564288. Its totient is φ = 351648.

The previous prime is 1344671. The next prime is 1344709. The reversal of 1344690 is 964431.

It is an interprime number because it is at equal distance from previous prime (1344671) and next prime (1344709).

It is a super-2 number, since 2×1344690² = 3616382392200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5919 + ... + 6141.

It is an arithmetic number, because the mean of its divisors is an integer number (74256).

2^1344690 is an apocalyptic number.

1344690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1344690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1782144).

1344690 is an abundant number, since it is smaller than the sum of its proper divisors (2219598).

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

1344690 is a wasteful number, since it uses less digits than its factorization.

1344690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1344690 is about 1159.6076922822. The cubic root of 1344690 is about 110.3758493171.

The spelling of 1344690 in words is "one million, three hundred forty-four thousand, six hundred ninety".