423977092 has 48 divisors (see below), whose sum is σ = 927940608. Its totient is φ = 164668320.

The previous prime is 423977069. The next prime is 423977107. The reversal of 423977092 is 290779324.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104893 + ... + 108859.

It is an arithmetic number, because the mean of its divisors is an integer number (19332096).

Almost surely, 2^423977092 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423977092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (463970304).

423977092 is an abundant number, since it is smaller than the sum of its proper divisors (503963516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423977092 is a wasteful number, since it uses less digits than its factorization.

423977092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4336 (or 4334 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 423977092 is about 20590.7040190470. The cubic root of 423977092 is about 751.2436208845.

The spelling of 423977092 in words is "four hundred twenty-three million, nine hundred seventy-seven thousand, ninety-two".