342881649 has 24 divisors (see below), whose sum is σ = 547919424. Its totient is φ = 204876000.

The previous prime is 342881641. The next prime is 342881659. The reversal of 342881649 is 946188243.

It is a happy number.

It is not a de Polignac number, because 342881649 - 2³ = 342881641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (342881641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17362 + ... + 31419.

It is an arithmetic number, because the mean of its divisors is an integer number (22829976).

Almost surely, 2^342881649 is an apocalyptic number.

It is an amenable number.

342881649 is a deficient number, since it is larger than the sum of its proper divisors (205037775).

342881649 is a wasteful number, since it uses less digits than its factorization.

342881649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48869 (or 48866 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 342881649 is about 18517.0637251158. The cubic root of 342881649 is about 699.9194798539.

It can be divided in two parts, 34288 and 1649, that added together give a cube (35937 = 33³).

The spelling of 342881649 in words is "three hundred forty-two million, eight hundred eighty-one thousand, six hundred forty-nine".