1394467660 has 24 divisors (see below), whose sum is σ = 2929088736. Its totient is φ = 557652480.

The previous prime is 1394467603. The next prime is 1394467673. The reversal of 1394467660 is 667644931.

It is a happy number.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1394467660.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143145 + ... + 152575.

It is an arithmetic number, because the mean of its divisors is an integer number (122045364).

Almost surely, 2^1394467660 is an apocalyptic number.

1394467660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1394467660 is an abundant number, since it is smaller than the sum of its proper divisors (1534621076).

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

1394467660 is a wasteful number, since it uses less digits than its factorization.

1394467660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16833 (or 16831 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 46.

The square root of 1394467660 is about 37342.5716843390. The cubic root of 1394467660 is about 1117.2134330857.

The spelling of 1394467660 in words is "one billion, three hundred ninety-four million, four hundred sixty-seven thousand, six hundred sixty".