29402985 has 8 divisors (see below), whose sum is σ = 47044800. Its totient is φ = 15681584.

The previous prime is 29402981. The next prime is 29403001. The reversal of 29402985 is 58920492.

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

It is a cyclic number.

It is not a de Polignac number, because 29402985 - 2² = 29402981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29402981) 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, 980085 + ... + 980114.

It is an arithmetic number, because the mean of its divisors is an integer number (5880600).

Almost surely, 2^29402985 is an apocalyptic number.

It is an amenable number.

29402985 is a deficient number, since it is larger than the sum of its proper divisors (17641815).

29402985 is a wasteful number, since it uses less digits than its factorization.

29402985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960207.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 29402985 is about 5422.4519361632. The cubic root of 29402985 is about 308.6482418572.

Subtracting from 29402985 its sum of digits (39), we obtain a triangular number (29402946 = T₇₆₆₈).

The spelling of 29402985 in words is "twenty-nine million, four hundred two thousand, nine hundred eighty-five".