425405946 has 48 divisors (see below), whose sum is σ = 1016495136. Its totient is φ = 118256544.

The previous prime is 425405927. The next prime is 425405951. The reversal of 425405946 is 649504524.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8676 + ... + 30431.

It is an arithmetic number, because the mean of its divisors is an integer number (21176982).

Almost surely, 2^425405946 is an apocalyptic number.

425405946 is an abundant number, since it is smaller than the sum of its proper divisors (591089190).

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

425405946 is a wasteful number, since it uses less digits than its factorization.

425405946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39163 (or 39156 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 425405946 is about 20625.3714148376. The cubic root of 425405946 is about 752.0866018511.

The spelling of 425405946 in words is "four hundred twenty-five million, four hundred five thousand, nine hundred forty-six".