29297628 has 36 divisors (see below), whose sum is σ = 74234160. Its totient is φ = 9742656.

The previous prime is 29297621. The next prime is 29297633. The reversal of 29297628 is 82679292.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29297621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21553 + ... + 22871.

It is an arithmetic number, because the mean of its divisors is an integer number (2062060).

Almost surely, 2^29297628 is an apocalyptic number.

It is an amenable number.

29297628 is an abundant number, since it is smaller than the sum of its proper divisors (44936532).

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

29297628 is a wasteful number, since it uses less digits than its factorization.

29297628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1946 (or 1941 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 29297628 is about 5412.7283323662. The cubic root of 29297628 is about 308.2791504174.

The spelling of 29297628 in words is "twenty-nine million, two hundred ninety-seven thousand, six hundred twenty-eight".