427539996 has 72 divisors (see below), whose sum is σ = 1166474400. Its totient is φ = 131255424.

The previous prime is 427539991. The next prime is 427539997. The reversal of 427539996 is 699935724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427539991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 304905 + ... + 306303.

Almost surely, 2^427539996 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 427539996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (583237200).

427539996 is an abundant number, since it is smaller than the sum of its proper divisors (738934404).

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

427539996 is a wasteful number, since it uses less digits than its factorization.

427539996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075 (or 2070 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 54.

The square root of 427539996 is about 20677.0403104506. The cubic root of 427539996 is about 753.3421195275.

The spelling of 427539996 in words is "four hundred twenty-seven million, five hundred thirty-nine thousand, nine hundred ninety-six".