2546942 has 4 divisors (see below), whose sum is σ = 3820416. Its totient is φ = 1273470.

The previous prime is 2546941. The next prime is 2546959. The reversal of 2546942 is 2496452.

It is a semiprime because it is the product of two primes.

It is a d-powerful number, because it can be written as 2²⁰ + 5⁸ + 4² + 6² + 9⁵ + 4³ + 2²⁰ .

It is a junction number, because it is equal to n+sod(n) for n = 2546899 and 2546908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2546941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 636734 + ... + 636737.

It is an arithmetic number, because the mean of its divisors is an integer number (955104).

2^2546942 is an apocalyptic number.

2546942 is a deficient number, since it is larger than the sum of its proper divisors (1273474).

2546942 is a wasteful number, since it uses less digits than its factorization.

2546942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273473.

The product of its digits is 17280, while the sum is 32.

The square root of 2546942 is about 1595.9141580925. The cubic root of 2546942 is about 136.5650867888.

The spelling of 2546942 in words is "two million, five hundred forty-six thousand, nine hundred forty-two".