29979494 has 8 divisors (see below), whose sum is σ = 45585480. Its totient is φ = 14784336.

The previous prime is 29979491. The next prime is 29979497. The reversal of 29979494 is 49497992.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (29979491) and next prime (29979497).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29979491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102524 + ... + 102815.

It is an arithmetic number, because the mean of its divisors is an integer number (5698185).

Almost surely, 2^29979494 is an apocalyptic number.

29979494 is a deficient number, since it is larger than the sum of its proper divisors (15605986).

29979494 is a wasteful number, since it uses less digits than its factorization.

29979494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205414.

The product of its digits is 1469664, while the sum is 53.

The square root of 29979494 is about 5475.3533219327. The cubic root of 29979494 is about 310.6524378922.

The spelling of 29979494 in words is "twenty-nine million, nine hundred seventy-nine thousand, four hundred ninety-four".