29890942 has 4 divisors (see below), whose sum is σ = 44836416. Its totient is φ = 14945470.

The previous prime is 29890921. The next prime is 29890943. The reversal of 29890942 is 24909892.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29890943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7472734 + ... + 7472737.

It is an arithmetic number, because the mean of its divisors is an integer number (11209104).

Almost surely, 2^29890942 is an apocalyptic number.

29890942 is a deficient number, since it is larger than the sum of its proper divisors (14945474).

29890942 is a wasteful number, since it uses less digits than its factorization.

29890942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14945473.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 29890942 is about 5467.2609229851. The cubic root of 29890942 is about 310.3462727956.

The spelling of 29890942 in words is "twenty-nine million, eight hundred ninety thousand, nine hundred forty-two".