334581690 has 64 divisors (see below), whose sum is σ = 846381312. Its totient is φ = 84480000.

The previous prime is 334581679. The next prime is 334581691. The reversal of 334581690 is 96185433.

It is a super-2 number, since 2×334581690² = 223889814566512200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (334581691) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67290 + ... + 72090.

It is an arithmetic number, because the mean of its divisors is an integer number (13224708).

Almost surely, 2^334581690 is an apocalyptic number.

334581690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 334581690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423190656).

334581690 is an abundant number, since it is smaller than the sum of its proper divisors (511799622).

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

334581690 is a wasteful number, since it uses less digits than its factorization.

334581690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4935.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 334581690 is about 18291.5742898199. The cubic root of 334581690 is about 694.2257582321.

The spelling of 334581690 in words is "three hundred thirty-four million, five hundred eighty-one thousand, six hundred ninety".