40284937 has 32 divisors (see below), whose sum is σ = 53729280. Its totient is φ = 29327760.

The previous prime is 40284913. The next prime is 40284967. The reversal of 40284937 is 73948204.

It is a happy number.

It is not a de Polignac number, because 40284937 - 2⁷ = 40284809 is a prime.

It is a super-2 number, since 2×40284937² = 3245752298187938, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40284896 and 40284905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40284967) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 936838 + ... + 936880.

It is an arithmetic number, because the mean of its divisors is an integer number (1679040).

Almost surely, 2^40284937 is an apocalyptic number.

It is an amenable number.

40284937 is a deficient number, since it is larger than the sum of its proper divisors (13444343).

40284937 is an equidigital number, since it uses as much as digits as its factorization.

40284937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 40284937 is about 6347.0415943178. The cubic root of 40284937 is about 342.8053277435.

The spelling of 40284937 in words is "forty million, two hundred eighty-four thousand, nine hundred thirty-seven".