339985782 has 16 divisors (see below), whose sum is σ = 755524080. Its totient is φ = 113328576.

The previous prime is 339985769. The next prime is 339985783. The reversal of 339985782 is 287589933.

It is a happy number.

It is a super-4 number, since 4×339985782⁴ (a number of 35 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 6296033 = 339985782 / (3 + 3 + 9 + 9 + 8 + 5 + 7 + 8 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (339985783) 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, 3147963 + ... + 3148070.

It is an arithmetic number, because the mean of its divisors is an integer number (47220255).

Almost surely, 2^339985782 is an apocalyptic number.

339985782 is an abundant number, since it is smaller than the sum of its proper divisors (415538298).

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

339985782 is a wasteful number, since it uses less digits than its factorization.

339985782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6296044 (or 6296038 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 339985782 is about 18438.7033708989. The cubic root of 339985782 is about 697.9434756350.

The spelling of 339985782 in words is "three hundred thirty-nine million, nine hundred eighty-five thousand, seven hundred eighty-two".