40614397 has 2 divisors, whose sum is σ = 40614398. Its totient is φ = 40614396.

The previous prime is 40614391. The next prime is 40614407. The reversal of 40614397 is 79341604.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40373316 + 241081 = 6354^2 + 491^2 .

It is a cyclic number.

It is not a de Polignac number, because 40614397 - 2⁷ = 40614269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40614391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20307198 + 20307199.

It is an arithmetic number, because the mean of its divisors is an integer number (20307199).

Almost surely, 2^40614397 is an apocalyptic number.

It is an amenable number.

40614397 is a deficient number, since it is larger than the sum of its proper divisors (1).

40614397 is an equidigital number, since it uses as much as digits as its factorization.

40614397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 40614397 is about 6372.9425699593. The cubic root of 40614397 is about 343.7373067710.

The spelling of 40614397 in words is "forty million, six hundred fourteen thousand, three hundred ninety-seven".