2102478 has 32 divisors (see below), whose sum is σ = 4859136. Its totient is φ = 594048.

The previous prime is 2102467. The next prime is 2102479. The reversal of 2102478 is 8742012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4525 + ... + 4967.

It is an arithmetic number, because the mean of its divisors is an integer number (151848).

2^2102478 is an apocalyptic number.

2102478 is an abundant number, since it is smaller than the sum of its proper divisors (2756658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2102478 is a wasteful number, since it uses less digits than its factorization.

2102478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 2102478 is about 1449.9924137733. The cubic root of 2102478 is about 128.1082661469.

The spelling of 2102478 in words is "two million, one hundred two thousand, four hundred seventy-eight".