340377803 has 4 divisors (see below), whose sum is σ = 340450968. Its totient is φ = 340304640.

The previous prime is 340377781. The next prime is 340377811. The reversal of 340377803 is 308773043.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 340377803 - 2¹⁰ = 340376779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340377823) 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, 29093 + ... + 39078.

It is an arithmetic number, because the mean of its divisors is an integer number (85112742).

Almost surely, 2^340377803 is an apocalyptic number.

340377803 is a deficient number, since it is larger than the sum of its proper divisors (73165).

340377803 is an equidigital number, since it uses as much as digits as its factorization.

340377803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73164.

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 340377803 is about 18449.3306924669. The cubic root of 340377803 is about 698.2116274417.

The spelling of 340377803 in words is "three hundred forty million, three hundred seventy-seven thousand, eight hundred three".