29490156 has 30 divisors (see below), whose sum is σ = 77093940. Its totient is φ = 9829944.

The previous prime is 29490143. The next prime is 29490173. The reversal of 29490156 is 65109492.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 29490156.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 45186 + ... + 45833.

It is an arithmetic number, because the mean of its divisors is an integer number (2569798).

Almost surely, 2^29490156 is an apocalyptic number.

It is an amenable number.

29490156 is an abundant number, since it is smaller than the sum of its proper divisors (47603784).

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

29490156 is a wasteful number, since it uses less digits than its factorization.

29490156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91035 (or 91024 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 29490156 is about 5430.4839563339. The cubic root of 29490156 is about 308.9529573026.

It can be divided in two parts, 29490 and 156, that added together give a triangular number (29646 = T₂₄₃).

The spelling of 29490156 in words is "twenty-nine million, four hundred ninety thousand, one hundred fifty-six".