29430493 has 2 divisors, whose sum is σ = 29430494. Its totient is φ = 29430492.

The previous prime is 29430473. The next prime is 29430509. The reversal of 29430493 is 39403492.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20448484 + 8982009 = 4522^2 + 2997^2 .

It is a cyclic number.

It is not a de Polignac number, because 29430493 - 2¹⁷ = 29299421 is a prime.

It is equal to p_1824658 and since 29430493 and 1824658 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29430433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14715246 + 14715247.

It is an arithmetic number, because the mean of its divisors is an integer number (14715247).

Almost surely, 2^29430493 is an apocalyptic number.

It is an amenable number.

29430493 is a deficient number, since it is larger than the sum of its proper divisors (1).

29430493 is an equidigital number, since it uses as much as digits as its factorization.

29430493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 29430493 is about 5424.9878340877. The cubic root of 29430493 is about 308.7444639416.

The spelling of 29430493 in words is "twenty-nine million, four hundred thirty thousand, four hundred ninety-three".