297390949 has 4 divisors (see below), whose sum is σ = 303718464. Its totient is φ = 291063436.

The previous prime is 297390923. The next prime is 297390953. The reversal of 297390949 is 949093792.

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.

It is a cyclic number.

It is not a de Polignac number, because 297390949 - 2¹¹ = 297388901 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 297390896 and 297390905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (297390649) 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, 3163687 + ... + 3163780.

It is an arithmetic number, because the mean of its divisors is an integer number (75929616).

Almost surely, 2^297390949 is an apocalyptic number.

It is an amenable number.

297390949 is a deficient number, since it is larger than the sum of its proper divisors (6327515).

297390949 is an equidigital number, since it uses as much as digits as its factorization.

297390949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6327514.

The product of its (nonzero) digits is 1102248, while the sum is 52.

The square root of 297390949 is about 17245.0267903532. The cubic root of 297390949 is about 667.4866472288.

The spelling of 297390949 in words is "two hundred ninety-seven million, three hundred ninety thousand, nine hundred forty-nine".