342640662 has 32 divisors (see below), whose sum is σ = 843424512. Its totient is φ = 90366624.

The previous prime is 342640657. The next prime is 342640663. The reversal of 342640662 is 266046243.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342640663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313228 + ... + 314319.

It is an arithmetic number, because the mean of its divisors is an integer number (26357016).

Almost surely, 2^342640662 is an apocalyptic number.

342640662 is an abundant number, since it is smaller than the sum of its proper divisors (500783850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

342640662 is a wasteful number, since it uses less digits than its factorization.

342640662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627572.

The product of its (nonzero) digits is 41472, while the sum is 33.

The square root of 342640662 is about 18510.5554211644. Note that the first 3 decimals coincide. The cubic root of 342640662 is about 699.7554669675.

The spelling of 342640662 in words is "three hundred forty-two million, six hundred forty thousand, six hundred sixty-two".