1387600946 has 8 divisors (see below), whose sum is σ = 2083761264. Its totient is φ = 693013860.

The previous prime is 1387600939. The next prime is 1387601053. The reversal of 1387600946 is 6490067831.

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

It is a junction number, because it is equal to n+sod(n) for n = 1387600897 and 1387600906.

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, 391100 + ... + 394631.

It is an arithmetic number, because the mean of its divisors is an integer number (260470158).

Almost surely, 2^1387600946 is an apocalyptic number.

1387600946 is a deficient number, since it is larger than the sum of its proper divisors (696160318).

1387600946 is an equidigital number, since it uses as much as digits as its factorization.

1387600946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786616.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 1387600946 is about 37250.5160501167. The cubic root of 1387600946 is about 1115.3766002488.

The spelling of 1387600946 in words is "one billion, three hundred eighty-seven million, six hundred thousand, nine hundred forty-six".