425986842 has 16 divisors (see below), whose sum is σ = 852318432. Its totient is φ = 141938160.

The previous prime is 425986831. The next prime is 425986877. The reversal of 425986842 is 248689524.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 425986791 and 425986800.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3388 + ... + 29384.

It is an arithmetic number, because the mean of its divisors is an integer number (53269902).

Almost surely, 2^425986842 is an apocalyptic number.

425986842 is an abundant number, since it is smaller than the sum of its proper divisors (426331590).

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

425986842 is a wasteful number, since it uses less digits than its factorization.

425986842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28733.

The product of its digits is 1105920, while the sum is 48.

The square root of 425986842 is about 20639.4486844974. The cubic root of 425986842 is about 752.4287733675.

The spelling of 425986842 in words is "four hundred twenty-five million, nine hundred eighty-six thousand, eight hundred forty-two".