29483840 has 56 divisors (see below), whose sum is σ = 70713600. Its totient is φ = 11708928.

The previous prime is 29483833. The next prime is 29483843. The reversal of 29483840 is 4838492.

It is a super-2 number, since 2×29483840² = 1738593642291200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 29483794 and 29483803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29483843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63449 + ... + 63911.

Almost surely, 2^29483840 is an apocalyptic number.

29483840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29483840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35356800).

29483840 is an abundant number, since it is smaller than the sum of its proper divisors (41229760).

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

29483840 is a wasteful number, since it uses less digits than its factorization.

29483840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679 (or 669 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 29483840 is about 5429.9023932296. The cubic root of 29483840 is about 308.9308992504.

The spelling of 29483840 in words is "twenty-nine million, four hundred eighty-three thousand, eight hundred forty".