29387942 has 8 divisors (see below), whose sum is σ = 44740056. Its totient is φ = 14474592.

The previous prime is 29387929. The next prime is 29387947. The reversal of 29387942 is 24978392.

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

It is a super-2 number, since 2×29387942² = 1727302269990728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 29387893 and 29387902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29387947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109523 + ... + 109790.

It is an arithmetic number, because the mean of its divisors is an integer number (5592507).

Almost surely, 2^29387942 is an apocalyptic number.

29387942 is a deficient number, since it is larger than the sum of its proper divisors (15352114).

29387942 is a wasteful number, since it uses less digits than its factorization.

29387942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219382.

The product of its digits is 217728, while the sum is 44.

The square root of 29387942 is about 5421.0646555820. The cubic root of 29387942 is about 308.5955965500.

The spelling of 29387942 in words is "twenty-nine million, three hundred eighty-seven thousand, nine hundred forty-two".