29489340 has 24 divisors (see below), whose sum is σ = 82570320. Its totient is φ = 7863808.

The previous prime is 29489329. The next prime is 29489347. The reversal of 29489340 is 4398492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29489347) 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, 245685 + ... + 245804.

It is an arithmetic number, because the mean of its divisors is an integer number (3440430).

Almost surely, 2^29489340 is an apocalyptic number.

29489340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29489340 is an abundant number, since it is smaller than the sum of its proper divisors (53080980).

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

29489340 is a wasteful number, since it uses less digits than its factorization.

29489340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491501 (or 491499 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 29489340 is about 5430.4088243888. The cubic root of 29489340 is about 308.9501076745.

The spelling of 29489340 in words is "twenty-nine million, four hundred eighty-nine thousand, three hundred forty".