402462 has 32 divisors (see below), whose sum is σ = 928800. Its totient is φ = 129024.

The previous prime is 402443. The next prime is 402487. The reversal of 402462 is 264204.

It is a super-2 number, since 2×402462² = 323951322888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1438 + ... + 1694.

It is an arithmetic number, because the mean of its divisors is an integer number (29025).

2⁴⁰²⁴⁶² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402462, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (464400).

402462 is an abundant number, since it is smaller than the sum of its proper divisors (526338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402462 is a wasteful number, since it uses less digits than its factorization.

402462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 402462 is about 634.3989281202. The cubic root of 402462 is about 73.8314889750.

Adding to 402462 its reverse (264204), we get a palindrome (666666).

The spelling of 402462 in words is "four hundred two thousand, four hundred sixty-two".