339687972 has 144 divisors (see below), whose sum is σ = 981348480. Its totient is φ = 101492352.

The previous prime is 339687937. The next prime is 339687973. The reversal of 339687972 is 279786933.

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

It is not an unprimeable number, because it can be changed into a prime (339687973) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 675073 + ... + 675575.

It is an arithmetic number, because the mean of its divisors is an integer number (6814920).

Almost surely, 2^339687972 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 339687972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (490674240).

339687972 is an abundant number, since it is smaller than the sum of its proper divisors (641660508).

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

339687972 is a wasteful number, since it uses less digits than its factorization.

339687972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579 (or 558 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 54.

The square root of 339687972 is about 18430.6259253450. The cubic root of 339687972 is about 697.7396286145.

The spelling of 339687972 in words is "three hundred thirty-nine million, six hundred eighty-seven thousand, nine hundred seventy-two".