29430649 has 4 divisors (see below), whose sum is σ = 29441920. Its totient is φ = 29419380.

The previous prime is 29430647. The next prime is 29430691. The reversal of 29430649 is 94603492.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 29430649 - 2¹ = 29430647 is a prime.

It is a super-2 number, since 2×29430649² = 1732326201122402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29430641) 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, 532 + ... + 7690.

It is an arithmetic number, because the mean of its divisors is an integer number (7360480).

Almost surely, 2^29430649 is an apocalyptic number.

It is an amenable number.

29430649 is a deficient number, since it is larger than the sum of its proper divisors (11271).

29430649 is an equidigital number, since it uses as much as digits as its factorization.

29430649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11270.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 29430649 is about 5425.0022119811. The cubic root of 29430649 is about 308.7450094534.

The spelling of 29430649 in words is "twenty-nine million, four hundred thirty thousand, six hundred forty-nine".