2471378 has 32 divisors (see below), whose sum is σ = 4698624. Its totient is φ = 948672.

The previous prime is 2471377. The next prime is 2471383. The reversal of 2471378 is 8731742.

It is a happy number.

It is a super-2 number, since 2×2471378² = 12215418437768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2471377) 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, 6551 + ... + 6917.

It is an arithmetic number, because the mean of its divisors is an integer number (146832).

2^2471378 is an apocalyptic number.

2471378 is a deficient number, since it is larger than the sum of its proper divisors (2227246).

2471378 is a wasteful number, since it uses less digits than its factorization.

2471378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426.

The product of its digits is 9408, while the sum is 32.

The square root of 2471378 is about 1572.0617036236. The cubic root of 2471378 is about 135.2009444631.

The spelling of 2471378 in words is "two million, four hundred seventy-one thousand, three hundred seventy-eight".