1394428 has 12 divisors (see below), whose sum is σ = 2788912. Its totient is φ = 597600.

The previous prime is 1394423. The next prime is 1394431. The reversal of 1394428 is 8244931.

1394428 is an admirable number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1394428.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 24873 + ... + 24928.

2^1394428 is an apocalyptic number.

It is an amenable number.

1394428 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1394428 is a wasteful number, since it uses less digits than its factorization.

1394428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49812 (or 49810 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 1394428 is about 1180.8590093656. The cubic root of 1394428 is about 111.7202841444.

The spelling of 1394428 in words is "one million, three hundred ninety-four thousand, four hundred twenty-eight".