425671308 has 96 divisors (see below), whose sum is σ = 1126137600. Its totient is φ = 139027968.

The previous prime is 425671297. The next prime is 425671321. The reversal of 425671308 is 803176524.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1875091 + ... + 1875317.

It is an arithmetic number, because the mean of its divisors is an integer number (11730600).

Almost surely, 2^425671308 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 425671308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (563068800).

425671308 is an abundant number, since it is smaller than the sum of its proper divisors (700466292).

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

425671308 is a wasteful number, since it uses less digits than its factorization.

425671308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516 (or 508 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 425671308 is about 20631.8033143010. The cubic root of 425671308 is about 752.2429495497.

The spelling of 425671308 in words is "four hundred twenty-five million, six hundred seventy-one thousand, three hundred eight".