420954794 has 16 divisors (see below), whose sum is σ = 681768360. Its totient is φ = 193782720.

The previous prime is 420954791. The next prime is 420954817. The reversal of 420954794 is 497459024.

It can be written as a sum of positive squares in 4 ways, for example, as 217179169 + 203775625 = 14737^2 + 14275^2 .

It is not an unprimeable number, because it can be changed into a prime (420954791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10697 + ... + 30924.

Almost surely, 2^420954794 is an apocalyptic number.

420954794 is a deficient number, since it is larger than the sum of its proper divisors (260813566).

420954794 is a wasteful number, since it uses less digits than its factorization.

420954794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42025.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 420954794 is about 20517.1828962945. The cubic root of 420954794 is about 749.4542957796.

The spelling of 420954794 in words is "four hundred twenty million, nine hundred fifty-four thousand, seven hundred ninety-four".