332820638 has 4 divisors (see below), whose sum is σ = 499230960. Its totient is φ = 166410318.

The previous prime is 332820629. The next prime is 332820641. The reversal of 332820638 is 836028233.

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

It is a super-3 number, since 3×332820638³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 332820598 and 332820607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83205158 + ... + 83205161.

It is an arithmetic number, because the mean of its divisors is an integer number (124807740).

Almost surely, 2^332820638 is an apocalyptic number.

332820638 is a deficient number, since it is larger than the sum of its proper divisors (166410322).

332820638 is a wasteful number, since it uses less digits than its factorization.

332820638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166410321.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 332820638 is about 18243.3724404234. The cubic root of 332820638 is about 693.0056088505.

The spelling of 332820638 in words is "three hundred thirty-two million, eight hundred twenty thousand, six hundred thirty-eight".