420407962 has 8 divisors (see below), whose sum is σ = 679120596. Its totient is φ = 194034432.

The previous prime is 420407941. The next prime is 420407963. The reversal of 420407962 is 269704024.

It can be written as a sum of positive squares in 2 ways, for example, as 393585921 + 26822041 = 19839^2 + 5179^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (420407963) 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, 8084743 + ... + 8084794.

Almost surely, 2^420407962 is an apocalyptic number.

420407962 is a deficient number, since it is larger than the sum of its proper divisors (258712634).

420407962 is a wasteful number, since it uses less digits than its factorization.

420407962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16169552.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 420407962 is about 20503.8523697377. The cubic root of 420407962 is about 749.1296344907.

The spelling of 420407962 in words is "four hundred twenty million, four hundred seven thousand, nine hundred sixty-two".