425983970 has 8 divisors (see below), whose sum is σ = 766771164. Its totient is φ = 170393584.

The previous prime is 425983969. The next prime is 425983979. The reversal of 425983970 is 79389524.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 423083761 + 2900209 = 20569^2 + 1703^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×425983970³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (425983979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21299189 + ... + 21299208.

Almost surely, 2^425983970 is an apocalyptic number.

425983970 is a deficient number, since it is larger than the sum of its proper divisors (340787194).

425983970 is a wasteful number, since it uses less digits than its factorization.

425983970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42598404.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 425983970 is about 20639.3791088783. The cubic root of 425983970 is about 752.4270824074.

The spelling of 425983970 in words is "four hundred twenty-five million, nine hundred eighty-three thousand, nine hundred seventy".