342949776 has 80 divisors (see below), whose sum is σ = 984936960. Its totient is φ = 102113280.

The previous prime is 342949769. The next prime is 342949777. The reversal of 342949776 is 677949243.

It is a super-2 number, since 2×342949776² = 235229097716900352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (342949777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10480 + ... + 28208.

It is an arithmetic number, because the mean of its divisors is an integer number (12311712).

Almost surely, 2^342949776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342949776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (492468480).

342949776 is an abundant number, since it is smaller than the sum of its proper divisors (641987184).

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

342949776 is a wasteful number, since it uses less digits than its factorization.

342949776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17784 (or 17778 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 51.

The square root of 342949776 is about 18518.9032072637. The cubic root of 342949776 is about 699.9658323459.

The spelling of 342949776 in words is "three hundred forty-two million, nine hundred forty-nine thousand, seven hundred seventy-six".