1881425346 has 32 divisors (see below), whose sum is σ = 3928780800. Its totient is φ = 599519184.

The previous prime is 1881425333. The next prime is 1881425383. The reversal of 1881425346 is 6435241881.

It is a happy number.

It is a super-2 number, since 2×1881425346² = 7079522665142439432, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1881425298 and 1881425307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328221 + ... + 333903.

It is an arithmetic number, because the mean of its divisors is an integer number (122774400).

Almost surely, 2^1881425346 is an apocalyptic number.

1881425346 is an abundant number, since it is smaller than the sum of its proper divisors (2047355454).

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

1881425346 is a wasteful number, since it uses less digits than its factorization.

1881425346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8110.

The product of its digits is 184320, while the sum is 42.

The square root of 1881425346 is about 43375.4002402283. The cubic root of 1881425346 is about 1234.5129882174.

The spelling of 1881425346 in words is "one billion, eight hundred eighty-one million, four hundred twenty-five thousand, three hundred forty-six".