2071506 has 16 divisors (see below), whose sum is σ = 4205664. Its totient is φ = 680064.

The previous prime is 2071493. The next prime is 2071507. The reversal of 2071506 is 6051702.

It is a super-2 number, since 2×2071506² = 8582274216072, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2071507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2175 + ... + 2978.

It is an arithmetic number, because the mean of its divisors is an integer number (262854).

2^2071506 is an apocalyptic number.

2071506 is an abundant number, since it is smaller than the sum of its proper divisors (2134158).

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

2071506 is a wasteful number, since it uses less digits than its factorization.

2071506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5225.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 2071506 is about 1439.2727330148. The cubic root of 2071506 is about 127.4760893263.

The spelling of 2071506 in words is "two million, seventy-one thousand, five hundred six".