340948449 has 12 divisors (see below), whose sum is σ = 492980436. Its totient is φ = 227068512.

The previous prime is 340948429. The next prime is 340948457. The reversal of 340948449 is 944849043.

It can be written as a sum of positive squares in 2 ways, for example, as 29778849 + 311169600 = 5457^2 + 17640^2 .

It is not a de Polignac number, because 340948449 - 2¹⁵ = 340915681 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (340948429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9582 + ... + 27815.

It is an arithmetic number, because the mean of its divisors is an integer number (41081703).

Almost surely, 2^340948449 is an apocalyptic number.

It is an amenable number.

340948449 is a deficient number, since it is larger than the sum of its proper divisors (152031987).

340948449 is a wasteful number, since it uses less digits than its factorization.

340948449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38416 (or 38413 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 340948449 is about 18464.7894382795. The cubic root of 340948449 is about 698.6015953127.

The spelling of 340948449 in words is "three hundred forty million, nine hundred forty-eight thousand, four hundred forty-nine".