394402148 has 24 divisors (see below), whose sum is σ = 789419904. Its totient is φ = 168897600.

The previous prime is 394402123. The next prime is 394402153. The reversal of 394402148 is 841204493.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36713 + ... + 46223.

It is an arithmetic number, because the mean of its divisors is an integer number (32892496).

Almost surely, 2^394402148 is an apocalyptic number.

It is an amenable number.

394402148 is an abundant number, since it is smaller than the sum of its proper divisors (395017756).

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

394402148 is a wasteful number, since it uses less digits than its factorization.

394402148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11003 (or 11001 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 394402148 is about 19859.5606195102. The cubic root of 394402148 is about 733.3530296822.

The spelling of 394402148 in words is "three hundred ninety-four million, four hundred two thousand, one hundred forty-eight".