335021990 has 16 divisors (see below), whose sum is σ = 603250848. Its totient is φ = 133961856.

The previous prime is 335021983. The next prime is 335021993. The reversal of 335021990 is 99120533.

It is a super-2 number, since 2×335021990² = 224479467567120200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (335021993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45614 + ... + 52446.

It is an arithmetic number, because the mean of its divisors is an integer number (37703178).

Almost surely, 2^335021990 is an apocalyptic number.

335021990 is a deficient number, since it is larger than the sum of its proper divisors (268228858).

335021990 is a wasteful number, since it uses less digits than its factorization.

335021990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11743.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 335021990 is about 18303.6059288873. The cubic root of 335021990 is about 694.5301518726.

The spelling of 335021990 in words is "three hundred thirty-five million, twenty-one thousand, nine hundred ninety".