402670463 has 4 divisors (see below), whose sum is σ = 433645128. Its totient is φ = 371695800.

The previous prime is 402670441. The next prime is 402670487. The reversal of 402670463 is 364076204.

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 402670463 - 2⁶ = 402670399 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 (402670403) 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, 15487313 + ... + 15487338.

It is an arithmetic number, because the mean of its divisors is an integer number (108411282).

Almost surely, 2^402670463 is an apocalyptic number.

402670463 is a deficient number, since it is larger than the sum of its proper divisors (30974665).

402670463 is a wasteful number, since it uses less digits than its factorization.

402670463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30974664.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 402670463 is about 20066.6505177122. The cubic root of 402670463 is about 738.4423425863.

The spelling of 402670463 in words is "four hundred two million, six hundred seventy thousand, four hundred sixty-three".