472693940 has 12 divisors (see below), whose sum is σ = 992657316. Its totient is φ = 189077568.

The previous prime is 472693933. The next prime is 472693943. The reversal of 472693940 is 49396274.

It can be written as a sum of positive squares in 2 ways, for example, as 182196004 + 290497936 = 13498^2 + 17044^2 .

It is a junction number, because it is equal to n+sod(n) for n = 472693891 and 472693900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472693943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11817329 + ... + 11817368.

It is an arithmetic number, because the mean of its divisors is an integer number (82721443).

Almost surely, 2^472693940 is an apocalyptic number.

It is an amenable number.

472693940 is an abundant number, since it is smaller than the sum of its proper divisors (519963376).

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

472693940 is a wasteful number, since it uses less digits than its factorization.

472693940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23634706 (or 23634704 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 44.

The square root of 472693940 is about 21741.5257054329. The cubic root of 472693940 is about 778.9806649662.

The spelling of 472693940 in words is "four hundred seventy-two million, six hundred ninety-three thousand, nine hundred forty".