29490146 has 16 divisors (see below), whose sum is σ = 50642880. Its totient is φ = 12616560.

The previous prime is 29490143. The next prime is 29490173. The reversal of 29490146 is 64109492.

It is a super-2 number, since 2×29490146² = 1739337422202632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (29490143) 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, 8441 + ... + 11411.

It is an arithmetic number, because the mean of its divisors is an integer number (3165180).

Almost surely, 2^29490146 is an apocalyptic number.

29490146 is a deficient number, since it is larger than the sum of its proper divisors (21152734).

29490146 is a wasteful number, since it uses less digits than its factorization.

29490146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3689.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 29490146 is about 5430.4830356056. The cubic root of 29490146 is about 308.9529223810.

The spelling of 29490146 in words is "twenty-nine million, four hundred ninety thousand, one hundred forty-six".