29994890 has 16 divisors (see below), whose sum is σ = 54108000. Its totient is φ = 11971920.

The previous prime is 29994871. The next prime is 29994893. The reversal of 29994890 is 9849992.

It is a super-2 number, since 2×29994890² = 1799386852224200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (29994893) 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, 1985 + ... + 7995.

It is an arithmetic number, because the mean of its divisors is an integer number (3381750).

Almost surely, 2^29994890 is an apocalyptic number.

29994890 is a deficient number, since it is larger than the sum of its proper divisors (24113110).

29994890 is a wasteful number, since it uses less digits than its factorization.

29994890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6517.

The product of its (nonzero) digits is 419904, while the sum is 50.

The square root of 29994890 is about 5476.7590781410. The cubic root of 29994890 is about 310.7056074179.

The spelling of 29994890 in words is "twenty-nine million, nine hundred ninety-four thousand, eight hundred ninety".