339939990 has 224 divisors, whose sum is σ = 1051063776. Its totient is φ = 78382080.

The previous prime is 339939953. The next prime is 339939997. The reversal of 339939990 is 99939933.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (339939997) by changing a digit.

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 111 ways as a sum of consecutive naturals, for example, 1610985 + ... + 1611195.

It is an arithmetic number, because the mean of its divisors is an integer number (4692249).

Almost surely, 2^339939990 is an apocalyptic number.

339939990 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 339939990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (525531888).

339939990 is an abundant number, since it is smaller than the sum of its proper divisors (711123786).

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

339939990 is a wasteful number, since it uses less digits than its factorization.

339939990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 1594323, while the sum is 54.

The square root of 339939990 is about 18437.4615931803. The cubic root of 339939990 is about 697.9121393612.

The spelling of 339939990 in words is "three hundred thirty-nine million, nine hundred thirty-nine thousand, nine hundred ninety".