425983950 has 108 divisors (see below), whose sum is σ = 1331399160. Its totient is φ = 97362720.

The previous prime is 425983931. The next prime is 425983951. The reversal of 425983950 is 59389524.

425983950 is a `hidden beast` number, since 4 + 2 + 598 + 3 + 9 + 50 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 425983896 and 425983905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425983951) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 12391 + ... + 31709.

It is an arithmetic number, because the mean of its divisors is an integer number (12327770).

Almost surely, 2^425983950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425983950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (665699580).

425983950 is an abundant number, since it is smaller than the sum of its proper divisors (905415210).

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

425983950 is a wasteful number, since it uses less digits than its factorization.

425983950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19351 (or 19336 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The square root of 425983950 is about 20639.3786243675. The cubic root of 425983950 is about 752.4270706319.

It can be divided in two parts, 4259 and 83950, that added together give a square (88209 = 297²).

The spelling of 425983950 in words is "four hundred twenty-five million, nine hundred eighty-three thousand, nine hundred fifty".