2477993 has 8 divisors (see below), whose sum is σ = 2868480. Its totient is φ = 2096640.

The previous prime is 2477987. The next prime is 2478011. The reversal of 2477993 is 3997742.

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

It is not a de Polignac number, because 2477993 - 2⁶ = 2477929 is a prime.

It is a super-2 number, since 2×2477993² = 12280898616098, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2 + 4 + 7³ + 7⁷ + 9³ + 9⁵ + 3¹³ .

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2477993.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2477933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1688 + ... + 2793.

It is an arithmetic number, because the mean of its divisors is an integer number (358560).

2^2477993 is an apocalyptic number.

It is an amenable number.

2477993 is a deficient number, since it is larger than the sum of its proper divisors (390487).

2477993 is an equidigital number, since it uses as much as digits as its factorization.

2477993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4567.

The product of its digits is 95256, while the sum is 41.

The square root of 2477993 is about 1574.1642226909. The cubic root of 2477993 is about 135.3214652786.

The spelling of 2477993 in words is "two million, four hundred seventy-seven thousand, nine hundred ninety-three".