371394661 has 8 divisors (see below), whose sum is σ = 406701504. Its totient is φ = 336345120.

The previous prime is 371394659. The next prime is 371394671. The reversal of 371394661 is 166493173.

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

It is a cyclic number.

It is not a de Polignac number, because 371394661 - 2¹ = 371394659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (371394671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61296 + ... + 67081.

It is an arithmetic number, because the mean of its divisors is an integer number (50837688).

Almost surely, 2^371394661 is an apocalyptic number.

It is an amenable number.

371394661 is a deficient number, since it is larger than the sum of its proper divisors (35306843).

371394661 is a wasteful number, since it uses less digits than its factorization.

371394661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128651.

The product of its digits is 81648, while the sum is 40.

The square root of 371394661 is about 19271.6024502375. The cubic root of 371394661 is about 718.8063174926.

The spelling of 371394661 in words is "three hundred seventy-one million, three hundred ninety-four thousand, six hundred sixty-one".