1405669484 has 12 divisors (see below), whose sum is σ = 2517129384. Its totient is φ = 686489664.

The previous prime is 1405669439. The next prime is 1405669537. The reversal of 1405669484 is 4849665041.

It is a happy number.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

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, 4086077 + ... + 4086420.

It is an arithmetic number, because the mean of its divisors is an integer number (209760782).

Almost surely, 2^1405669484 is an apocalyptic number.

It is an amenable number.

1405669484 is a deficient number, since it is larger than the sum of its proper divisors (1111459900).

1405669484 is a wasteful number, since it uses less digits than its factorization.

1405669484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8172544 (or 8172542 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 47.

The square root of 1405669484 is about 37492.2589876897. The cubic root of 1405669484 is about 1120.1970008485.

The spelling of 1405669484 in words is "one billion, four hundred five million, six hundred sixty-nine thousand, four hundred eighty-four".