29378961 has 12 divisors (see below), whose sum is σ = 42493620. Its totient is φ = 19559520.

The previous prime is 29378927. The next prime is 29378969. The reversal of 29378961 is 16987392.

It can be written as a sum of positive squares in 2 ways, for example, as 7700625 + 21678336 = 2775^2 + 4656^2 .

It is not a de Polignac number, because 29378961 - 2¹³ = 29370769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29378969) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6735 + ... + 10203.

It is an arithmetic number, because the mean of its divisors is an integer number (3541135).

Almost surely, 2^29378961 is an apocalyptic number.

It is an amenable number.

29378961 is a deficient number, since it is larger than the sum of its proper divisors (13114659).

29378961 is a wasteful number, since it uses less digits than its factorization.

29378961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4416 (or 4413 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 29378961 is about 5420.2362494637. The cubic root of 29378961 is about 308.5641575851.

The spelling of 29378961 in words is "twenty-nine million, three hundred seventy-eight thousand, nine hundred sixty-one".