402627 has 8 divisors (see below), whose sum is σ = 542464. Its totient is φ = 265608.

The previous prime is 402613. The next prime is 402631. The reversal of 402627 is 726204.

402627 = 4² + 5² + ... + 106².

It is a happy number.

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

It is not a de Polignac number, because 402627 - 2⁸ = 402371 is a prime.

It is a super-2 number, since 2×402627² = 324217002258, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402697) 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, 343 + ... + 960.

It is an arithmetic number, because the mean of its divisors is an integer number (67808).

2⁴⁰²⁶²⁷ is an apocalyptic number.

402627 is a deficient number, since it is larger than the sum of its proper divisors (139837).

402627 is a wasteful number, since it uses less digits than its factorization.

402627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 402627 is about 634.5289591500. The cubic root of 402627 is about 73.8415773239.

The spelling of 402627 in words is "four hundred two thousand, six hundred twenty-seven".