43979480 has 16 divisors (see below), whose sum is σ = 98953920. Its totient is φ = 17591776.

The previous prime is 43979479. The next prime is 43979491. The reversal of 43979480 is 8497934.

43979480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×43979480² = 3868389322140800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 549704 + ... + 549783.

It is an arithmetic number, because the mean of its divisors is an integer number (6184620).

Almost surely, 2^43979480 is an apocalyptic number.

43979480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43979480 is an abundant number, since it is smaller than the sum of its proper divisors (54974440).

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

43979480 is a wasteful number, since it uses less digits than its factorization.

43979480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099498 (or 1099494 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 43979480 is about 6631.7026471337. The cubic root of 43979480 is about 352.9799441293.

The spelling of 43979480 in words is "forty-three million, nine hundred seventy-nine thousand, four hundred eighty".