40298697 has 24 divisors (see below), whose sum is σ = 60211008. Its totient is φ = 25956000.

The previous prime is 40298683. The next prime is 40298707. The reversal of 40298697 is 79689204.

It is a happy number.

40298697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40298697 - 2⁷ = 40298569 is a prime.

It is a super-3 number, since 3×40298697³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (40298617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38572 + ... + 39602.

It is an arithmetic number, because the mean of its divisors is an integer number (2508792).

Almost surely, 2^40298697 is an apocalyptic number.

It is an amenable number.

40298697 is a deficient number, since it is larger than the sum of its proper divisors (19912311).

40298697 is a wasteful number, since it uses less digits than its factorization.

40298697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181 (or 1178 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 40298697 is about 6348.1254713498. The cubic root of 40298697 is about 342.8443536152.

It can be divided in two parts, 402 and 98697, that added together give a palindrome (99099).

The spelling of 40298697 in words is "forty million, two hundred ninety-eight thousand, six hundred ninety-seven".