40298983 has 2 divisors, whose sum is σ = 40298984. Its totient is φ = 40298982.

The previous prime is 40298971. The next prime is 40298989. The reversal of 40298983 is 38989204.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40298983 - 2⁹ = 40298471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40298989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20149491 + 20149492.

It is an arithmetic number, because the mean of its divisors is an integer number (20149492).

Almost surely, 2^40298983 is an apocalyptic number.

40298983 is a deficient number, since it is larger than the sum of its proper divisors (1).

40298983 is an equidigital number, since it uses as much as digits as its factorization.

40298983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 40298983 is about 6348.1479976447. The cubic root of 40298983 is about 342.8451646692.

The spelling of 40298983 in words is "forty million, two hundred ninety-eight thousand, nine hundred eighty-three".