1393530487 has 8 divisors (see below), whose sum is σ = 1405354496. Its totient is φ = 1381720032.

The previous prime is 1393530473. The next prime is 1393530493. The reversal of 1393530487 is 7840353931.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1393530487 - 2¹⁵ = 1393497719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1393530407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383893 + ... + 387505.

It is an arithmetic number, because the mean of its divisors is an integer number (175669312).

Almost surely, 2^1393530487 is an apocalyptic number.

1393530487 is a deficient number, since it is larger than the sum of its proper divisors (11824009).

1393530487 is a wasteful number, since it uses less digits than its factorization.

1393530487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6777.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 1393530487 is about 37330.0212563561. The cubic root of 1393530487 is about 1116.9630969567.

The spelling of 1393530487 in words is "one billion, three hundred ninety-three million, five hundred thirty thousand, four hundred eighty-seven".