29858972 has 24 divisors (see below), whose sum is σ = 61389552. Its totient is φ = 12528000.

The previous prime is 29858957. The next prime is 29858977. The reversal of 29858972 is 27985892.

It is a self number, because there is not a number n which added to its sum of digits gives 29858972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29858977) 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, 25529 + ... + 26672.

It is an arithmetic number, because the mean of its divisors is an integer number (2557898).

Almost surely, 2^29858972 is an apocalyptic number.

29858972 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

29858972 is an abundant number, since it is smaller than the sum of its proper divisors (31530580).

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

29858972 is a wasteful number, since it uses less digits than its factorization.

29858972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52229 (or 52227 counting only the distinct ones).

The product of its digits is 725760, while the sum is 50.

The square root of 29858972 is about 5464.3363732479. The cubic root of 29858972 is about 310.2355892120.

Subtracting from 29858972 its reverse (27985892), we obtain a triangular number (1873080 = T₁₉₃₅).

The spelling of 29858972 in words is "twenty-nine million, eight hundred fifty-eight thousand, nine hundred seventy-two".