40903829 has 2 divisors, whose sum is σ = 40903830. Its totient is φ = 40903828.

The previous prime is 40903823. The next prime is 40903843. The reversal of 40903829 is 92830904.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23280625 + 17623204 = 4825^2 + 4198^2 .

It is a cyclic number.

It is not a de Polignac number, because 40903829 - 2⁴ = 40903813 is a prime.

It is a super-2 number, since 2×40903829² = 3346246453722482, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40903823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20451914 + 20451915.

It is an arithmetic number, because the mean of its divisors is an integer number (20451915).

Almost surely, 2^40903829 is an apocalyptic number.

It is an amenable number.

40903829 is a deficient number, since it is larger than the sum of its proper divisors (1).

40903829 is an equidigital number, since it uses as much as digits as its factorization.

40903829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 40903829 is about 6395.6101350848. The cubic root of 40903829 is about 344.5519044254.

The spelling of 40903829 in words is "forty million, nine hundred three thousand, eight hundred twenty-nine".