1354720984 has 8 divisors (see below), whose sum is σ = 2540101860. Its totient is φ = 677360488.

The previous prime is 1354720981. The next prime is 1354721029. The reversal of 1354720984 is 4890274531.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1354720984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1354720981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84670054 + ... + 84670069.

Almost surely, 2^1354720984 is an apocalyptic number.

It is an amenable number.

1354720984 is a deficient number, since it is larger than the sum of its proper divisors (1185380876).

1354720984 is a wasteful number, since it uses less digits than its factorization.

1354720984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169340129 (or 169340125 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 1354720984 is about 36806.5345285318. The cubic root of 1354720984 is about 1106.4962658395.

The spelling of 1354720984 in words is "one billion, three hundred fifty-four million, seven hundred twenty thousand, nine hundred eighty-four".