402067 has 8 divisors (see below), whose sum is σ = 433296. Its totient is φ = 371712.

The previous prime is 402053. The next prime is 402071. The reversal of 402067 is 760204.

402067 is nontrivially palindromic in base 15.

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 402067 - 2⁷ = 401939 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (402037) 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, 963 + ... + 1315.

It is an arithmetic number, because the mean of its divisors is an integer number (54162).

2⁴⁰²⁰⁶⁷ is an apocalyptic number.

402067 is a deficient number, since it is larger than the sum of its proper divisors (31229).

402067 is a wasteful number, since it uses less digits than its factorization.

402067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 402067 is about 634.0875333895. The cubic root of 402067 is about 73.8073268725.

The spelling of 402067 in words is "four hundred two thousand, sixty-seven".