339487421 has 32 divisors (see below), whose sum is σ = 450643200. Its totient is φ = 248209920.

The previous prime is 339487381. The next prime is 339487457. The reversal of 339487421 is 124784933.

It is not a de Polignac number, because 339487421 - 2¹⁰ = 339486397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (339487921) 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, 68495 + ... + 73283.

It is an arithmetic number, because the mean of its divisors is an integer number (14082600).

Almost surely, 2^339487421 is an apocalyptic number.

It is an amenable number.

339487421 is a deficient number, since it is larger than the sum of its proper divisors (111155779).

339487421 is a wasteful number, since it uses less digits than its factorization.

339487421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4869.

The product of its digits is 145152, while the sum is 41.

The square root of 339487421 is about 18425.1844224149. The cubic root of 339487421 is about 697.6022869565.

The spelling of 339487421 in words is "three hundred thirty-nine million, four hundred eighty-seven thousand, four hundred twenty-one".