1395804428 has 12 divisors (see below), whose sum is σ = 2508675792. Its totient is φ = 679039920.

The previous prime is 1395804401. The next prime is 1395804433. The reversal of 1395804428 is 8244085931.

It is a happy 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, 4715408 + ... + 4715703.

It is an arithmetic number, because the mean of its divisors is an integer number (209056316).

Almost surely, 2^1395804428 is an apocalyptic number.

It is an amenable number.

1395804428 is a deficient number, since it is larger than the sum of its proper divisors (1112871364).

1395804428 is a wasteful number, since it uses less digits than its factorization.

1395804428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9431152 (or 9431150 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 1395804428 is about 37360.4661105827. The cubic root of 1395804428 is about 1117.5703143634.

The spelling of 1395804428 in words is "one billion, three hundred ninety-five million, eight hundred four thousand, four hundred twenty-eight".