2840535 has 32 divisors (see below), whose sum is σ = 5158080. Its totient is φ = 1482624.

The previous prime is 2840507. The next prime is 2840549. The reversal of 2840535 is 5350482.

2840535 = 205² + 206² + ... + 257².

It is not a de Polignac number, because 2840535 - 2⁹ = 2840023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

2840535 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2840499 and 2840508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6957 + ... + 7353.

It is an arithmetic number, because the mean of its divisors is an integer number (161190).

2^2840535 is an apocalyptic number.

2840535 is a deficient number, since it is larger than the sum of its proper divisors (2317545).

2840535 is a wasteful number, since it uses less digits than its factorization.

2840535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464 (or 458 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2840535 is about 1685.3886792073. The cubic root of 2840535 is about 141.6228668902.

It can be divided in two parts, 2840 and 535, that added together give a cube (3375 = 15³).

The spelling of 2840535 in words is "two million, eight hundred forty thousand, five hundred thirty-five".