2646542 has 8 divisors (see below), whose sum is σ = 4024416. Its totient is φ = 1305072.

The previous prime is 2646533. The next prime is 2646551. The reversal of 2646542 is 2456462.

It is an interprime number because it is at equal distance from previous prime (2646533) and next prime (2646551).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8918 + ... + 9209.

It is an arithmetic number, because the mean of its divisors is an integer number (503052).

2^2646542 is an apocalyptic number.

2646542 is a deficient number, since it is larger than the sum of its proper divisors (1377874).

2646542 is a wasteful number, since it uses less digits than its factorization.

2646542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18202.

The product of its digits is 11520, while the sum is 29.

The square root of 2646542 is about 1626.8195966363. The cubic root of 2646542 is about 138.3225320190.

The spelling of 2646542 in words is "two million, six hundred forty-six thousand, five hundred forty-two".