401002 has 8 divisors (see below), whose sum is σ = 687456. Its totient is φ = 171852.

The previous prime is 400997. The next prime is 401017. The reversal of 401002 is 200104.

401002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14308 + ... + 14335.

It is an arithmetic number, because the mean of its divisors is an integer number (85932).

2⁴⁰¹⁰⁰² is an apocalyptic number.

401002 is a deficient number, since it is larger than the sum of its proper divisors (286454).

401002 is a wasteful number, since it uses less digits than its factorization.

401002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28652.

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 401002 is about 633.2471871236. The cubic root of 401002 is about 73.7421019982.

Adding to 401002 its reverse (200104), we get a palindrome (601106).

It can be divided in two parts, 40100 and 2, that multiplied together give a triangular number (80200 = T₄₀₀).

The spelling of 401002 in words is "four hundred one thousand, two", and thus it is an iban number.