407653 has 4 divisors (see below), whose sum is σ = 421740. Its totient is φ = 393568.

The previous prime is 407651. The next prime is 407657. The reversal of 407653 is 356704.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 91809 + 315844 = 303^2 + 562^2 .

It is a cyclic number.

It is not a de Polignac number, because 407653 - 2¹ = 407651 is a prime.

It is a d-powerful number, because it can be written as 4⁸ + 0 + 6⁷ + 7 + 5⁵ + 3¹⁰ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7000 + ... + 7057.

It is an arithmetic number, because the mean of its divisors is an integer number (105435).

2⁴⁰⁷⁶⁵³ is an apocalyptic number.

It is an amenable number.

407653 is a deficient number, since it is larger than the sum of its proper divisors (14087).

407653 is a wasteful number, since it uses less digits than its factorization.

407653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14086.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 407653 is about 638.4770943425. The cubic root of 407653 is about 74.1475628671.

The spelling of 407653 in words is "four hundred seven thousand, six hundred fifty-three".