342940032 has 48 divisors (see below), whose sum is σ = 986848980. Its totient is φ = 114312960.

The previous prime is 342940021. The next prime is 342940069. The reversal of 342940032 is 230049243.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×342940032² = 235215731096322048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 342939978 and 342940005.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 147694 + ... + 149997.

Almost surely, 2^342940032 is an apocalyptic number.

342940032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

342940032 is an abundant number, since it is smaller than the sum of its proper divisors (643908948).

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

342940032 is a wasteful number, since it uses less digits than its factorization.

342940032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297711 (or 297696 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 342940032 is about 18518.6401228600. The cubic root of 342940032 is about 699.9592030645.

Adding to 342940032 its reverse (230049243), we get a palindrome (572989275).

The spelling of 342940032 in words is "three hundred forty-two million, nine hundred forty thousand, thirty-two".