1395347664 has 40 divisors (see below), whose sum is σ = 3655426752. Its totient is φ = 458563840.

The previous prime is 1395347633. The next prime is 1395347687. The reversal of 1395347664 is 4667435931.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201309 + ... + 208124.

Almost surely, 2^1395347664 is an apocalyptic number.

It is an amenable number.

1395347664 is an abundant number, since it is smaller than the sum of its proper divisors (2260079088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1395347664 is a wasteful number, since it uses less digits than its factorization.

1395347664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409515 (or 409509 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 48.

The square root of 1395347664 is about 37354.3526781017. The cubic root of 1395347664 is about 1117.4483962378.

The spelling of 1395347664 in words is "one billion, three hundred ninety-five million, three hundred forty-seven thousand, six hundred sixty-four".