29949894 has 48 divisors (see below), whose sum is σ = 70434000. Its totient is φ = 9142848.

The previous prime is 29949893. The next prime is 29949919. The reversal of 29949894 is 49894992.

It is a super-2 number, since 2×29949894² = 1793992301222472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 29949894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29949893) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34437 + ... + 35295.

It is an arithmetic number, because the mean of its divisors is an integer number (1467375).

Almost surely, 2^29949894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29949894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35217000).

29949894 is an abundant number, since it is smaller than the sum of its proper divisors (40484106).

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

29949894 is a wasteful number, since it uses less digits than its factorization.

29949894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029 (or 1026 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 54.

The square root of 29949894 is about 5472.6496324906. The cubic root of 29949894 is about 310.5501642056.

The spelling of 29949894 in words is "twenty-nine million, nine hundred forty-nine thousand, eight hundred ninety-four".