2070638 has 8 divisors (see below), whose sum is σ = 3116880. Its totient is φ = 1031680.

The previous prime is 2070619. The next prime is 2070641. The reversal of 2070638 is 8360702.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1043 + ... + 2286.

It is an arithmetic number, because the mean of its divisors is an integer number (389610).

2^2070638 is an apocalyptic number.

2070638 is a deficient number, since it is larger than the sum of its proper divisors (1046242).

2070638 is a wasteful number, since it uses less digits than its factorization.

2070638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3642.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 2070638 is about 1438.9711602391. The cubic root of 2070638 is about 127.4582818786.

Subtracting 2070638 from its reverse (8360702), we obtain a square (6290064 = 2508²).

The spelling of 2070638 in words is "two million, seventy thousand, six hundred thirty-eight".