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407406 = 2367901
BaseRepresentation
bin1100011011101101110
3202200212010
41203131232
5101014111
612422050
73314526
oct1433556
9680763
10407406
112590aa
12177926
1311358c
14a8686
1580aa6
hex6376e

407406 has 8 divisors (see below), whose sum is σ = 814824. Its totient is φ = 135800.

The previous prime is 407401. The next prime is 407437. The reversal of 407406 is 604704.

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

407406 is an admirable number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407401) by changing a digit.

407406 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33945 + ... + 33956.

It is an arithmetic number, because the mean of its divisors is an integer number (101853).

2407406 is an apocalyptic number.

407406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

407406 is a wasteful number, since it uses less digits than its factorization.

407406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67906.

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

The square root of 407406 is about 638.2836360115. The cubic root of 407406 is about 74.1325843207.

The spelling of 407406 in words is "four hundred seven thousand, four hundred six".

Divisors: 1 2 3 6 67901 135802 203703 407406