40694398 has 8 divisors (see below), whose sum is σ = 61094880. Its totient is φ = 20329440.

The previous prime is 40694389. The next prime is 40694419. The reversal of 40694398 is 89349604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5803 + ... + 10726.

It is an arithmetic number, because the mean of its divisors is an integer number (7636860).

Almost surely, 2^40694398 is an apocalyptic number.

40694398 is a deficient number, since it is larger than the sum of its proper divisors (20400482).

40694398 is a wasteful number, since it uses less digits than its factorization.

40694398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17762.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 40694398 is about 6379.2160960419. The cubic root of 40694398 is about 343.9628531639.

The spelling of 40694398 in words is "forty million, six hundred ninety-four thousand, three hundred ninety-eight".