2477949 has 4 divisors (see below), whose sum is σ = 3303936. Its totient is φ = 1651964.

The previous prime is 2477947. The next prime is 2477957. The reversal of 2477949 is 9497742.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2477949 - 2¹ = 2477947 is a prime.

It is a super-2 number, since 2×2477949² = 12280462493202, which contains 22 as substring.

It is a D-number.

2477949 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2477949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2477947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412989 + ... + 412994.

It is an arithmetic number, because the mean of its divisors is an integer number (825984).

2^2477949 is an apocalyptic number.

It is an amenable number.

2477949 is a deficient number, since it is larger than the sum of its proper divisors (825987).

2477949 is an equidigital number, since it uses as much as digits as its factorization.

2477949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825986.

The product of its digits is 127008, while the sum is 42.

The square root of 2477949 is about 1574.1502469587. The cubic root of 2477949 is about 135.3206643375.

The spelling of 2477949 in words is "two million, four hundred seventy-seven thousand, nine hundred forty-nine".