402354 has 16 divisors (see below), whose sum is σ = 894240.
Its totient is φ = 134100.
The previous prime is 402343. The next prime is 402359. The reversal of 402354 is 453204.
Adding to 402354 its reverse (453204), we get a palindrome (855558).
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (402359) 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, 3672 + ... + 3779.
It is an arithmetic number, because the mean of its divisors is an integer number (55890).
2402354 is an apocalyptic number.
402354 is an abundant number, since it is smaller than the sum of its proper divisors (491886).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
402354 is a wasteful number, since it uses less digits than its factorization.
402354 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7462 (or 7456 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 18.
The square root of 402354 is about 634.3138024669.
The cubic root of 402354 is about 73.8248841989.
The spelling of 402354 in words is "four hundred two thousand, three hundred fifty-four".