40829997 has 16 divisors (see below), whose sum is σ = 58988160. Its totient is φ = 24971712.

The previous prime is 40829989. The next prime is 40830011. The reversal of 40829997 is 79992804.

It is a happy number.

It is not a de Polignac number, because 40829997 - 2³ = 40829989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40829927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3379 + ... + 9647.

It is an arithmetic number, because the mean of its divisors is an integer number (3686760).

Almost surely, 2^40829997 is an apocalyptic number.

It is an amenable number.

40829997 is a deficient number, since it is larger than the sum of its proper divisors (18158163).

40829997 is a wasteful number, since it uses less digits than its factorization.

40829997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6452.

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 40829997 is about 6389.8354438906. The cubic root of 40829997 is about 344.3444725207.

The spelling of 40829997 in words is "forty million, eight hundred twenty-nine thousand, nine hundred ninety-seven".