930638440 has 16 divisors (see below), whose sum is σ = 2093936580. Its totient is φ = 372255360.

The previous prime is 930638431. The next prime is 930638453. The reversal of 930638440 is 44836039.

It can be written as a sum of positive squares in 2 ways, for example, as 916030756 + 14607684 = 30266^2 + 3822^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 930638440.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11632941 + ... + 11633020.

Almost surely, 2^930638440 is an apocalyptic number.

It is an amenable number.

930638440 is an abundant number, since it is smaller than the sum of its proper divisors (1163298140).

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

930638440 is a wasteful number, since it uses less digits than its factorization.

930638440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23265972 (or 23265968 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 930638440 is about 30506.3672042412. The cubic root of 930638440 is about 976.3233190448.

The spelling of 930638440 in words is "nine hundred thirty million, six hundred thirty-eight thousand, four hundred forty".