1394425 has 18 divisors (see below), whose sum is σ = 1846298. Its totient is φ = 1044480.

The previous prime is 1394423. The next prime is 1394431. The reversal of 1394425 is 5244931.

It can be written as a sum of positive squares in 9 ways, for example, as 186624 + 1207801 = 432^2 + 1099^2 .

It is not a de Polignac number, because 1394425 - 2¹ = 1394423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1394393 and 1394402.

It is not an unprimeable number, because it can be changed into a prime (1394423) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7129 + ... + 7321.

2^1394425 is an apocalyptic number.

It is an amenable number.

1394425 is a deficient number, since it is larger than the sum of its proper divisors (451873).

1394425 is a wasteful number, since it uses less digits than its factorization.

1394425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 215 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 1394425 is about 1180.8577391032. The cubic root of 1394425 is about 111.7202040253.

The spelling of 1394425 in words is "one million, three hundred ninety-four thousand, four hundred twenty-five".