1395974428 has 12 divisors (see below), whose sum is σ = 2464575120. Its totient is φ = 691810112.

The previous prime is 1395974417. The next prime is 1395974467. The reversal of 1395974428 is 8244795931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1543768 + ... + 1544671.

It is an arithmetic number, because the mean of its divisors is an integer number (205381260).

Almost surely, 2^1395974428 is an apocalyptic number.

It is an amenable number.

1395974428 is a deficient number, since it is larger than the sum of its proper divisors (1068600692).

1395974428 is a wasteful number, since it uses less digits than its factorization.

1395974428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3088556 (or 3088554 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 52.

The square root of 1395974428 is about 37362.7411735274. The cubic root of 1395974428 is about 1117.6156834799.

The spelling of 1395974428 in words is "one billion, three hundred ninety-five million, nine hundred seventy-four thousand, four hundred twenty-eight".