398072941 has 16 divisors (see below), whose sum is σ = 463680000. Its totient is φ = 334677168.

The previous prime is 398072923. The next prime is 398072957. The reversal of 398072941 is 149270893.

It is not a de Polignac number, because 398072941 - 2⁹ = 398072429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398072911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264810 + ... + 266308.

It is an arithmetic number, because the mean of its divisors is an integer number (28980000).

Almost surely, 2^398072941 is an apocalyptic number.

It is an amenable number.

398072941 is a deficient number, since it is larger than the sum of its proper divisors (65607059).

398072941 is a wasteful number, since it uses less digits than its factorization.

398072941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2208.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 398072941 is about 19951.7653604888. The cubic root of 398072941 is about 735.6211701642.

The spelling of 398072941 in words is "three hundred ninety-eight million, seventy-two thousand, nine hundred forty-one".