420345962 has 4 divisors (see below), whose sum is σ = 630518946. Its totient is φ = 210172980.

The previous prime is 420345929. The next prime is 420345973. The reversal of 420345962 is 269543024.

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

It can be written as a sum of positive squares in only one way, i.e., 412455481 + 7890481 = 20309^2 + 2809^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105086489 + ... + 105086492.

Almost surely, 2^420345962 is an apocalyptic number.

420345962 is a deficient number, since it is larger than the sum of its proper divisors (210172984).

420345962 is a wasteful number, since it uses less digits than its factorization.

420345962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210172983.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 420345962 is about 20502.3404029881. The cubic root of 420345962 is about 749.0928065165.

Adding to 420345962 its reverse (269543024), we get a palindrome (689888986).

The spelling of 420345962 in words is "four hundred twenty million, three hundred forty-five thousand, nine hundred sixty-two".