398237701 has 8 divisors (see below), whose sum is σ = 419431680. Its totient is φ = 377067168.

The previous prime is 398237683. The next prime is 398237717. The reversal of 398237701 is 107732893.

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 398237701 - 2⁷ = 398237573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398237761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37185 + ... + 46681.

It is an arithmetic number, because the mean of its divisors is an integer number (52428960).

Almost surely, 2^398237701 is an apocalyptic number.

It is an amenable number.

398237701 is a deficient number, since it is larger than the sum of its proper divisors (21193979).

398237701 is a wasteful number, since it uses less digits than its factorization.

398237701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11723.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 398237701 is about 19955.8938912793. The cubic root of 398237701 is about 735.7226458938.

It can be divided in two parts, 39823 and 7701, that added together give a square (47524 = 218²).

The spelling of 398237701 in words is "three hundred ninety-eight million, two hundred thirty-seven thousand, seven hundred one".