402104671 has 4 divisors (see below), whose sum is σ = 411912144. Its totient is φ = 392297200.

The previous prime is 402104629. The next prime is 402104683. The reversal of 402104671 is 176401204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 402104671 - 2¹³ = 402096479 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 (402104611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4903675 + ... + 4903756.

It is an arithmetic number, because the mean of its divisors is an integer number (102978036).

Almost surely, 2^402104671 is an apocalyptic number.

402104671 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

402104671 is a deficient number, since it is larger than the sum of its proper divisors (9807473).

402104671 is an equidigital number, since it uses as much as digits as its factorization.

402104671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9807472.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 402104671 is about 20052.5477433667. The cubic root of 402104671 is about 738.0963188548.

Adding to 402104671 its reverse (176401204), we get a palindrome (578505875).

The spelling of 402104671 in words is "four hundred two million, one hundred four thousand, six hundred seventy-one".