340533493 has 4 divisors (see below), whose sum is σ = 341628768. Its totient is φ = 339438220.

The previous prime is 340533449. The next prime is 340533509. The reversal of 340533493 is 394335043.

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 340533493 - 2²⁵ = 306979061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340533433) 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, 547171 + ... + 547792.

It is an arithmetic number, because the mean of its divisors is an integer number (85407192).

Almost surely, 2^340533493 is an apocalyptic number.

It is an amenable number.

340533493 is a deficient number, since it is larger than the sum of its proper divisors (1095275).

340533493 is a wasteful number, since it uses less digits than its factorization.

340533493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095274.

The product of its (nonzero) digits is 58320, while the sum is 34.

The square root of 340533493 is about 18453.5496043444. The cubic root of 340533493 is about 698.3180660300.

The spelling of 340533493 in words is "three hundred forty million, five hundred thirty-three thousand, four hundred ninety-three".