493977901 has 8 divisors (see below), whose sum is σ = 511905024. Its totient is φ = 476175360.

The previous prime is 493977893. The next prime is 493977917. The reversal of 493977901 is 109779394.

It is a happy number.

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 493977901 - 2³ = 493977893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493977931) 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, 23035 + ... + 38968.

It is an arithmetic number, because the mean of its divisors is an integer number (63988128).

Almost surely, 2^493977901 is an apocalyptic number.

It is an amenable number.

493977901 is a deficient number, since it is larger than the sum of its proper divisors (17927123).

493977901 is a wasteful number, since it uses less digits than its factorization.

493977901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62291.

The product of its (nonzero) digits is 428652, while the sum is 49.

The square root of 493977901 is about 22225.6136248248. The cubic root of 493977901 is about 790.5011513338.

The spelling of 493977901 in words is "four hundred ninety-three million, nine hundred seventy-seven thousand, nine hundred one".