1394407 has 8 divisors (see below), whose sum is σ = 1648800. Its totient is φ = 1153824.

The previous prime is 1394401. The next prime is 1394413. The reversal of 1394407 is 7044931.

It is an interprime number because it is at equal distance from previous prime (1394401) and next prime (1394413).

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

It is a de Polignac number, because none of the positive numbers 2^k-1394407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1394401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3232 + ... + 3637.

It is an arithmetic number, because the mean of its divisors is an integer number (206100).

2^1394407 is an apocalyptic number.

1394407 is a deficient number, since it is larger than the sum of its proper divisors (254393).

1394407 is an equidigital number, since it uses as much as digits as its factorization.

1394407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6905.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1394407 is about 1180.8501175001. The cubic root of 1394407 is about 111.7197233081.

The spelling of 1394407 in words is "one million, three hundred ninety-four thousand, four hundred seven".