420498487 has 8 divisors (see below), whose sum is σ = 429414480. Its totient is φ = 411642240.

The previous prime is 420498467. The next prime is 420498503. The reversal of 420498487 is 784894024.

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 420498487 - 2¹⁵ = 420465719 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 (420498467) 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, 568 + ... + 29005.

It is an arithmetic number, because the mean of its divisors is an integer number (53676810).

Almost surely, 2^420498487 is an apocalyptic number.

420498487 is a deficient number, since it is larger than the sum of its proper divisors (8915993).

420498487 is a wasteful number, since it uses less digits than its factorization.

420498487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29873.

The product of its (nonzero) digits is 516096, while the sum is 46.

The square root of 420498487 is about 20506.0597629091. The cubic root of 420498487 is about 749.1833998008.

The spelling of 420498487 in words is "four hundred twenty million, four hundred ninety-eight thousand, four hundred eighty-seven".