2636942 has 16 divisors (see below), whose sum is σ = 4931712. Its totient is φ = 1027320.

The previous prime is 2636939. The next prime is 2636957. The reversal of 2636942 is 2496362.

It is a super-2 number, since 2×2636942² = 13906926222728, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁹ + 6² + 3¹² + 6⁵ + 9 + 4² + 2²¹ .

It is a junction number, because it is equal to n+sod(n) for n = 2636899 and 2636908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8408 + ... + 8715.

It is an arithmetic number, because the mean of its divisors is an integer number (308232).

2^2636942 is an apocalyptic number.

2636942 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2636942 is a deficient number, since it is larger than the sum of its proper divisors (2294770).

2636942 is a wasteful number, since it uses less digits than its factorization.

2636942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17143.

The product of its digits is 15552, while the sum is 32.

The square root of 2636942 is about 1623.8663738128. The cubic root of 2636942 is about 138.1550801588.

The spelling of 2636942 in words is "two million, six hundred thirty-six thousand, nine hundred forty-two".