194037648 has 60 divisors (see below), whose sum is σ = 583110000. Its totient is φ = 55438656.

The previous prime is 194037619. The next prime is 194037653. The reversal of 194037648 is 846730491.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38898 + ... + 43601.

It is an arithmetic number, because the mean of its divisors is an integer number (9718500).

Almost surely, 2^194037648 is an apocalyptic number.

It is an amenable number.

194037648 is an abundant number, since it is smaller than the sum of its proper divisors (389072352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194037648 is a wasteful number, since it uses less digits than its factorization.

194037648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82524 (or 82511 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 194037648 is about 13929.7396960604. The cubic root of 194037648 is about 578.9334819972.

The spelling of 194037648 in words is "one hundred ninety-four million, thirty-seven thousand, six hundred forty-eight".