29490004 has 12 divisors (see below), whose sum is σ = 51655828. Its totient is φ = 14731200.

The previous prime is 29489987. The next prime is 29490007. The reversal of 29490004 is 40009492.

It can be written as a sum of positive squares in 2 ways, for example, as 19377604 + 10112400 = 4402^2 + 3180^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29490007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2494 + ... + 8074.

Almost surely, 2^29490004 is an apocalyptic number.

It is an amenable number.

29490004 is a deficient number, since it is larger than the sum of its proper divisors (22165824).

29490004 is a wasteful number, since it uses less digits than its factorization.

29490004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6906 (or 6904 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 29490004 is about 5430.4699612464. The cubic root of 29490004 is about 308.9524264935.

Adding to 29490004 its reverse (40009492), we get a palindrome (69499496).

The spelling of 29490004 in words is "twenty-nine million, four hundred ninety thousand, four".