420746926 has 4 divisors (see below), whose sum is σ = 631120392. Its totient is φ = 210373462.

The previous prime is 420746917. The next prime is 420746927. The reversal of 420746926 is 629647024.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420746927) 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 as a sum of consecutive naturals, namely, 105186730 + ... + 105186733.

It is an arithmetic number, because the mean of its divisors is an integer number (157780098).

Almost surely, 2^420746926 is an apocalyptic number.

420746926 is a deficient number, since it is larger than the sum of its proper divisors (210373466).

420746926 is a wasteful number, since it uses less digits than its factorization.

420746926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210373465.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 420746926 is about 20512.1165655814. The cubic root of 420746926 is about 749.3309149815.

The spelling of 420746926 in words is "four hundred twenty million, seven hundred forty-six thousand, nine hundred twenty-six".