4206540 has 48 divisors (see below), whose sum is σ = 12686688. Its totient is φ = 1035264.

The previous prime is 4206533. The next prime is 4206551. The reversal of 4206540 is 456024.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1917 + ... + 3476.

It is an arithmetic number, because the mean of its divisors is an integer number (264306).

Almost surely, 2^4206540 is an apocalyptic number.

It is an amenable number.

4206540 is an abundant number, since it is smaller than the sum of its proper divisors (8480148).

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

4206540 is a wasteful number, since it uses less digits than its factorization.

4206540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5418 (or 5416 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 4206540 is about 2050.9851291514. The cubic root of 4206540 is about 161.4265658023.

The spelling of 4206540 in words is "four million, two hundred six thousand, five hundred forty".