543699940 has 24 divisors (see below), whose sum is σ = 1304880192. Its totient is φ = 186411360.

The previous prime is 543699931. The next prime is 543699973. The reversal of 543699940 is 49996345.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

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, 1941646 + ... + 1941925.

It is an arithmetic number, because the mean of its divisors is an integer number (54370008).

Almost surely, 2^543699940 is an apocalyptic number.

It is an amenable number.

543699940 is an abundant number, since it is smaller than the sum of its proper divisors (761180252).

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

543699940 is a wasteful number, since it uses less digits than its factorization.

543699940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3883587 (or 3883585 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 49.

The square root of 543699940 is about 23317.3742089456. The cubic root of 543699940 is about 816.1809019178.

The spelling of 543699940 in words is "five hundred forty-three million, six hundred ninety-nine thousand, nine hundred forty".