29484639 has 6 divisors (see below), whose sum is σ = 42588936. Its totient is φ = 19656420.

The previous prime is 29484629. The next prime is 29484641. The reversal of 29484639 is 93648492.

29484639 is a `hidden beast` number, since 2 + 9 + 4 + 8 + 4 + 639 = 666.

It is not a de Polignac number, because 29484639 - 2¹¹ = 29482591 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29484594 and 29484603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29484629) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1638027 + ... + 1638044.

It is an arithmetic number, because the mean of its divisors is an integer number (7098156).

Almost surely, 2^29484639 is an apocalyptic number.

29484639 is a deficient number, since it is larger than the sum of its proper divisors (13104297).

29484639 is a wasteful number, since it uses less digits than its factorization.

29484639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3276077 (or 3276074 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 29484639 is about 5429.9759667976. The cubic root of 29484639 is about 308.9336898589.

The spelling of 29484639 in words is "twenty-nine million, four hundred eighty-four thousand, six hundred thirty-nine".