398527007 has 8 divisors (see below), whose sum is σ = 400900752. Its totient is φ = 396160000.

The previous prime is 398526991. The next prime is 398527027. The reversal of 398527007 is 700725893.

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 398527007 - 2⁴ = 398526991 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 (398527027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159653 + ... + 162129.

It is an arithmetic number, because the mean of its divisors is an integer number (50112594).

Almost surely, 2^398527007 is an apocalyptic number.

398527007 is a deficient number, since it is larger than the sum of its proper divisors (2373745).

398527007 is a wasteful number, since it uses less digits than its factorization.

398527007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3369.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 398527007 is about 19963.1412107414. The cubic root of 398527007 is about 735.9007618394.

The spelling of 398527007 in words is "three hundred ninety-eight million, five hundred twenty-seven thousand, seven".