340973953 has 4 divisors (see below), whose sum is σ = 341018368. Its totient is φ = 340929540.

The previous prime is 340973951. The next prime is 340973959. The reversal of 340973953 is 359379043.

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 an emirpimes, since its reverse is a distinct semiprime: 359379043 = 4441 ⋅80923.

It is a cyclic number.

It is not a de Polignac number, because 340973953 - 2¹ = 340973951 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340973951) 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, 7401 + ... + 27142.

It is an arithmetic number, because the mean of its divisors is an integer number (85254592).

Almost surely, 2^340973953 is an apocalyptic number.

It is an amenable number.

340973953 is a deficient number, since it is larger than the sum of its proper divisors (44415).

340973953 is an equidigital number, since it uses as much as digits as its factorization.

340973953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44414.

The product of its (nonzero) digits is 306180, while the sum is 43.

The square root of 340973953 is about 18465.4800370854. The cubic root of 340973953 is about 698.6190140661.

The spelling of 340973953 in words is "three hundred forty million, nine hundred seventy-three thousand, nine hundred fifty-three".