2478343 has 8 divisors (see below), whose sum is σ = 2842112. Its totient is φ = 2117016.

The previous prime is 2478337. The next prime is 2478347. The reversal of 2478343 is 3438742.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2478343 - 2¹⁷ = 2347271 is a prime.

It is a super-2 number, since 2×2478343² = 12284368051298, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁷ + 4⁵ + 7⁶ + 8⁷ + 3 + 4⁹ + 3⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2478347) 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, 3046 + ... + 3772.

It is an arithmetic number, because the mean of its divisors is an integer number (355264).

2^2478343 is an apocalyptic number.

2478343 is a deficient number, since it is larger than the sum of its proper divisors (363769).

2478343 is an equidigital number, since it uses as much as digits as its factorization.

2478343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221.

The product of its digits is 16128, while the sum is 31.

The square root of 2478343 is about 1574.2753888694. The cubic root of 2478343 is about 135.3278360638.

The spelling of 2478343 in words is "two million, four hundred seventy-eight thousand, three hundred forty-three".