1395423724 has 12 divisors (see below), whose sum is σ = 2446227784. Its totient is φ = 696501504.

The previous prime is 1395423671. The next prime is 1395423737. The reversal of 1395423724 is 4273245931.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299994 + ... + 304609.

Almost surely, 2^1395423724 is an apocalyptic number.

It is an amenable number.

1395423724 is a deficient number, since it is larger than the sum of its proper divisors (1050804060).

1395423724 is a wasteful number, since it uses less digits than its factorization.

1395423724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605184 (or 605182 counting only the distinct ones).

The product of its digits is 181440, while the sum is 40.

The square root of 1395423724 is about 37355.3707517406. The cubic root of 1395423724 is about 1117.4686997991.

The spelling of 1395423724 in words is "one billion, three hundred ninety-five million, four hundred twenty-three thousand, seven hundred twenty-four".