1408854657 has 16 divisors (see below), whose sum is σ = 2192504832. Its totient is φ = 787930320.

The previous prime is 1408854653. The next prime is 1408854659. The reversal of 1408854657 is 7564588041.

It is not a de Polignac number, because 1408854657 - 2² = 1408854653 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1408854653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 712719 + ... + 714692.

It is an arithmetic number, because the mean of its divisors is an integer number (137031552).

Almost surely, 2^1408854657 is an apocalyptic number.

It is an amenable number.

1408854657 is a deficient number, since it is larger than the sum of its proper divisors (783650175).

1408854657 is a wasteful number, since it uses less digits than its factorization.

1408854657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427468.

The product of its (nonzero) digits is 1075200, while the sum is 48.

The square root of 1408854657 is about 37534.7126937186. The cubic root of 1408854657 is about 1121.0424650412.

The spelling of 1408854657 in words is "one billion, four hundred eight million, eight hundred fifty-four thousand, six hundred fifty-seven".