2839431 has 8 divisors (see below), whose sum is σ = 4326784. Its totient is φ = 1622520.

The previous prime is 2839429. The next prime is 2839433. The reversal of 2839431 is 1349382.

It is an interprime number because it is at equal distance from previous prime (2839429) and next prime (2839433).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2839431 - 2¹ = 2839429 is a prime.

It is a super-2 number, since 2×2839431² = 16124736807522, which contains 22 as substring.

2839431 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2839433) 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, 67585 + ... + 67626.

It is an arithmetic number, because the mean of its divisors is an integer number (540848).

2^2839431 is an apocalyptic number.

2839431 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2839431 is a deficient number, since it is larger than the sum of its proper divisors (1487353).

2839431 is a wasteful number, since it uses less digits than its factorization.

2839431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135221.

The product of its digits is 5184, while the sum is 30.

The square root of 2839431 is about 1685.0611264877. The cubic root of 2839431 is about 141.6045168370.

The spelling of 2839431 in words is "two million, eight hundred thirty-nine thousand, four hundred thirty-one".