29160978 has 96 divisors (see below), whose sum is σ = 75644928. Its totient is φ = 7408800.

The previous prime is 29160973. The next prime is 29160983. The reversal of 29160978 is 87906192.

It is an interprime number because it is at equal distance from previous prime (29160973) and next prime (29160983).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (29160973) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 229551 + ... + 229677.

It is an arithmetic number, because the mean of its divisors is an integer number (787968).

Almost surely, 2^29160978 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29160978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37822464).

29160978 is an abundant number, since it is smaller than the sum of its proper divisors (46483950).

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

29160978 is a wasteful number, since it uses less digits than its factorization.

29160978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 29160978 is about 5400.0905547963. The cubic root of 29160978 is about 307.7991114260.

The spelling of 29160978 in words is "twenty-nine million, one hundred sixty thousand, nine hundred seventy-eight".