2406537 has 48 divisors (see below), whose sum is σ = 4432320. Its totient is φ = 1282176.

The previous prime is 2406529. The next prime is 2406539. The reversal of 2406537 is 7356042.

It is a happy number.

2406537 is a `hidden beast` number, since 2 + 4 + 0 + 653 + 7 = 666.

It is not a de Polignac number, because 2406537 - 2³ = 2406529 is a prime.

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

2406537 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2406537.

It is not an unprimeable number, because it can be changed into a prime (2406539) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22438 + ... + 22544.

It is an arithmetic number, because the mean of its divisors is an integer number (92340).

2^2406537 is an apocalyptic number.

2406537 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2406537 is a deficient number, since it is larger than the sum of its proper divisors (2025783).

2406537 is a wasteful number, since it uses less digits than its factorization.

2406537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 2406537 is about 1551.3017114669. The cubic root of 2406537 is about 134.0080376852.

The spelling of 2406537 in words is "two million, four hundred six thousand, five hundred thirty-seven".