2631970 has 32 divisors (see below), whose sum is σ = 5256576. Its totient is φ = 940800.

The previous prime is 2631949. The next prime is 2631971. The reversal of 2631970 is 791362.

It is not an unprimeable number, because it can be changed into a prime (2631971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7642 + ... + 7978.

It is an arithmetic number, because the mean of its divisors is an integer number (164268).

2^2631970 is an apocalyptic number.

2631970 is a deficient number, since it is larger than the sum of its proper divisors (2624606).

2631970 is a wasteful number, since it uses less digits than its factorization.

2631970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 2631970 is about 1622.3347373461. The cubic root of 2631970 is about 138.0681942588.

The spelling of 2631970 in words is "two million, six hundred thirty-one thousand, nine hundred seventy".