420462899 has 4 divisors (see below), whose sum is σ = 424626000. Its totient is φ = 416299800.

The previous prime is 420462883. The next prime is 420462919. The reversal of 420462899 is 998264024.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420462899 - 2⁴ = 420462883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420462859) 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, 2081399 + ... + 2081600.

It is an arithmetic number, because the mean of its divisors is an integer number (106156500).

Almost surely, 2^420462899 is an apocalyptic number.

420462899 is a deficient number, since it is larger than the sum of its proper divisors (4163101).

420462899 is a wasteful number, since it uses less digits than its factorization.

420462899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4163100.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 420462899 is about 20505.1920010518. The cubic root of 420462899 is about 749.1622640204.

The spelling of 420462899 in words is "four hundred twenty million, four hundred sixty-two thousand, eight hundred ninety-nine".