29499340 has 48 divisors (see below), whose sum is σ = 69628608. Its totient is φ = 10416384.

The previous prime is 29499307. The next prime is 29499341. The reversal of 29499340 is 4399492.

It is a super-2 number, since 2×29499340² = 1740422120871200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 29499293 and 29499302.

It is not an unprimeable number, because it can be changed into a prime (29499341) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3514 + ... + 8446.

It is an arithmetic number, because the mean of its divisors is an integer number (1450596).

Almost surely, 2^29499340 is an apocalyptic number.

29499340 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 29499340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34814304).

29499340 is an abundant number, since it is smaller than the sum of its proper divisors (40129268).

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

29499340 is a wasteful number, since it uses less digits than its factorization.

29499340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4978 (or 4976 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 29499340 is about 5431.3294873355. The cubic root of 29499340 is about 308.9850259638.

The spelling of 29499340 in words is "twenty-nine million, four hundred ninety-nine thousand, three hundred forty".