29483640 has 48 divisors (see below), whose sum is σ = 95823000. Its totient is φ = 7862208.

The previous prime is 29483639. The next prime is 29483651. The reversal of 29483640 is 4638492.

It is a happy number.

29483640 is a `hidden beast` number, since 2 + 9 + 4 + 8 + 3 + 640 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 29483595 and 29483604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40590 + ... + 41309.

Almost surely, 2^29483640 is an apocalyptic number.

29483640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29483640 is an abundant number, since it is smaller than the sum of its proper divisors (66339360).

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

29483640 is a wasteful number, since it uses less digits than its factorization.

29483640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81916 (or 81909 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 29483640 is about 5429.8839766610. The cubic root of 29483640 is about 308.9302007173.

The spelling of 29483640 in words is "twenty-nine million, four hundred eighty-three thousand, six hundred forty".