40383493 has 8 divisors (see below), whose sum is σ = 43498400. Its totient is φ = 37367568.

The previous prime is 40383491. The next prime is 40383503. The reversal of 40383493 is 39438304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40383493 - 2¹ = 40383491 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40383491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23898 + ... + 25531.

It is an arithmetic number, because the mean of its divisors is an integer number (5437300).

Almost surely, 2^40383493 is an apocalyptic number.

40383493 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

40383493 is a deficient number, since it is larger than the sum of its proper divisors (3114907).

40383493 is a wasteful number, since it uses less digits than its factorization.

40383493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49491.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 40383493 is about 6354.8007836595. The cubic root of 40383493 is about 343.0846547078.

The spelling of 40383493 in words is "forty million, three hundred eighty-three thousand, four hundred ninety-three".