2457946 has 8 divisors (see below), whose sum is σ = 3695904. Its totient is φ = 1225980.

The previous prime is 2457943. The next prime is 2457967. The reversal of 2457946 is 6497542.

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

It is not an unprimeable number, because it can be changed into a prime (2457943) 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, 270 + ... + 2233.

It is an arithmetic number, because the mean of its divisors is an integer number (461988).

2^2457946 is an apocalyptic number.

2457946 is a deficient number, since it is larger than the sum of its proper divisors (1237958).

2457946 is a wasteful number, since it uses less digits than its factorization.

2457946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2996.

The product of its digits is 60480, while the sum is 37.

The square root of 2457946 is about 1567.7837861134. The cubic root of 2457946 is about 134.9555592176.

It can be divided in two parts, 2457 and 946, that added together give a triangular number (3403 = T₈₂).

The spelling of 2457946 in words is "two million, four hundred fifty-seven thousand, nine hundred forty-six".