40598697 has 4 divisors (see below), whose sum is σ = 54131600. Its totient is φ = 27065796.

The previous prime is 40598693. The next prime is 40598713. The reversal of 40598697 is 79689504.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 40598697 - 2² = 40598693 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40598693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6766447 + ... + 6766452.

It is an arithmetic number, because the mean of its divisors is an integer number (13532900).

Almost surely, 2^40598697 is an apocalyptic number.

It is an amenable number.

40598697 is a deficient number, since it is larger than the sum of its proper divisors (13532903).

40598697 is a wasteful number, since it uses less digits than its factorization.

40598697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13532902.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 40598697 is about 6371.7106808141. The cubic root of 40598697 is about 343.6930090863.

The spelling of 40598697 in words is "forty million, five hundred ninety-eight thousand, six hundred ninety-seven".