2028507 has 12 divisors (see below), whose sum is σ = 2929464. Its totient is φ = 1248000.

The previous prime is 2028503. The next prime is 2028511. The reversal of 2028507 is 7058202.

2028507 = 389² + 390² + ... + 401².

It is an interprime number because it is at equal distance from previous prime (2028503) and next prime (2028511).

It is not a de Polignac number, because 2028507 - 2² = 2028503 is a prime.

It is a super-2 number, since 2×2028507² = 8229681298098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2028503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1494 + ... + 2507.

It is an arithmetic number, because the mean of its divisors is an integer number (244122).

2^2028507 is an apocalyptic number.

2028507 is a deficient number, since it is larger than the sum of its proper divisors (900957).

2028507 is a wasteful number, since it uses less digits than its factorization.

2028507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4030 (or 4017 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 2028507 is about 1424.2566482204. The cubic root of 2028507 is about 126.5878926950.

It can be divided in two parts, 2028 and 507, that multiplied together give a square (1028196 = 1014²).

The spelling of 2028507 in words is "two million, twenty-eight thousand, five hundred seven".