1934405648 has 40 divisors (see below), whose sum is σ = 4353560640. Its totient is φ = 815437440.

The previous prime is 1934405573. The next prime is 1934405653. The reversal of 1934405648 is 8465044391.

It is a super-2 number, since 2×1934405648² = 7483850422028599808, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1934405599 and 1934405608.

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, 134738 + ... + 148401.

It is an arithmetic number, because the mean of its divisors is an integer number (108839016).

Almost surely, 2^1934405648 is an apocalyptic number.

It is an amenable number.

1934405648 is an abundant number, since it is smaller than the sum of its proper divisors (2419154992).

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

1934405648 is a wasteful number, since it uses less digits than its factorization.

1934405648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283215 (or 283209 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 1934405648 is about 43981.8786320002. The cubic root of 1934405648 is about 1245.9937116810.

The spelling of 1934405648 in words is "one billion, nine hundred thirty-four million, four hundred five thousand, six hundred forty-eight".