29648457 has 16 divisors (see below), whose sum is σ = 44946880. Its totient is φ = 19305216.

The previous prime is 29648419. The next prime is 29648473. The reversal of 29648457 is 75484692.

It is a happy number.

It is not a de Polignac number, because 29648457 - 2¹⁵ = 29615689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29648407) 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 15 ways as a sum of consecutive naturals, for example, 11608 + ... + 13929.

It is an arithmetic number, because the mean of its divisors is an integer number (2809180).

Almost surely, 2^29648457 is an apocalyptic number.

29648457 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

29648457 is a deficient number, since it is larger than the sum of its proper divisors (15298423).

29648457 is a wasteful number, since it uses less digits than its factorization.

29648457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25589 (or 25583 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 29648457 is about 5445.0396692770. The cubic root of 29648457 is about 309.5047833809.

The spelling of 29648457 in words is "twenty-nine million, six hundred forty-eight thousand, four hundred fifty-seven".