401009371 has 8 divisors (see below), whose sum is σ = 466064640. Its totient is φ = 337896168.

The previous prime is 401009369. The next prime is 401009381. The reversal of 401009371 is 173900104.

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 401009371 - 2¹ = 401009369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401009321) 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, 485071 + ... + 485896.

It is an arithmetic number, because the mean of its divisors is an integer number (58258080).

Almost surely, 2^401009371 is an apocalyptic number.

401009371 is a deficient number, since it is larger than the sum of its proper divisors (65055269).

401009371 is an equidigital number, since it uses as much as digits as its factorization.

401009371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971033.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 401009371 is about 20025.2183758380. The cubic root of 401009371 is about 737.4255382449.

Adding to 401009371 its reverse (173900104), we get a palindrome (574909475).

The spelling of 401009371 in words is "four hundred one million, nine thousand, three hundred seventy-one".