40606349 has 6 divisors (see below), whose sum is σ = 47236014. Its totient is φ = 34805400.

The previous prime is 40606327. The next prime is 40606361. The reversal of 40606349 is 94360604.

It can be written as a sum of positive squares in only one way, i.e., 39778249 + 828100 = 6307^2 + 910^2 .

It is not a de Polignac number, because 40606349 - 2¹² = 40602253 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40606309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 414302 + ... + 414399.

It is an arithmetic number, because the mean of its divisors is an integer number (7872669).

Almost surely, 2^40606349 is an apocalyptic number.

40606349 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

40606349 is a deficient number, since it is larger than the sum of its proper divisors (6629665).

40606349 is an equidigital number, since it uses as much as digits as its factorization.

40606349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828715 (or 828708 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 40606349 is about 6372.3111192094. The cubic root of 40606349 is about 343.7146006963.

The spelling of 40606349 in words is "forty million, six hundred six thousand, three hundred forty-nine".