489957401 has 4 divisors (see below), whose sum is σ = 493202304. Its totient is φ = 486712500.

The previous prime is 489957397. The next prime is 489957463. The reversal of 489957401 is 104759984.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 489957401 - 2² = 489957397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489954401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1622225 + ... + 1622526.

It is an arithmetic number, because the mean of its divisors is an integer number (123300576).

Almost surely, 2^489957401 is an apocalyptic number.

It is an amenable number.

489957401 is a deficient number, since it is larger than the sum of its proper divisors (3244903).

489957401 is a wasteful number, since it uses less digits than its factorization.

489957401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3244902.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 489957401 is about 22134.9813869359. The cubic root of 489957401 is about 788.3506694420.

The spelling of 489957401 in words is "four hundred eighty-nine million, nine hundred fifty-seven thousand, four hundred one".