457989409 has 8 divisors (see below), whose sum is σ = 479812032. Its totient is φ = 436326000.

The previous prime is 457989383. The next prime is 457989437. The reversal of 457989409 is 904989754.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 457989409 - 2¹⁷ = 457858337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 457989409.

It is not an unprimeable number, because it can be changed into a prime (457989439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33894 + ... + 45439.

It is an arithmetic number, because the mean of its divisors is an integer number (59976504).

Almost surely, 2^457989409 is an apocalyptic number.

It is an amenable number.

457989409 is a deficient number, since it is larger than the sum of its proper divisors (21822623).

457989409 is a wasteful number, since it uses less digits than its factorization.

457989409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79607.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The square root of 457989409 is about 21400.6871151372. The cubic root of 457989409 is about 770.8179361431.

The spelling of 457989409 in words is "four hundred fifty-seven million, nine hundred eighty-nine thousand, four hundred nine".