29853140 has 12 divisors (see below), whose sum is σ = 62691636. Its totient is φ = 11941248.

The previous prime is 29853133. The next prime is 29853203. The reversal of 29853140 is 4135892.

It can be written as a sum of positive squares in 2 ways, for example, as 20106256 + 9746884 = 4484^2 + 3122^2 .

It is a junction number, because it is equal to n+sod(n) for n = 29853097 and 29853106.

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, 746309 + ... + 746348.

It is an arithmetic number, because the mean of its divisors is an integer number (5224303).

Almost surely, 2^29853140 is an apocalyptic number.

29853140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29853140 is an abundant number, since it is smaller than the sum of its proper divisors (32838496).

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

29853140 is a wasteful number, since it uses less digits than its factorization.

29853140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492666 (or 1492664 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 29853140 is about 5463.8027050764. The cubic root of 29853140 is about 310.2153896801.

The spelling of 29853140 in words is "twenty-nine million, eight hundred fifty-three thousand, one hundred forty".