709401 has 32 divisors (see below), whose sum is σ = 1225728. Its totient is φ = 354240.

The previous prime is 709381. The next prime is 709409. The reversal of 709401 is 104907.

709401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 709401 - 2⁶ = 709337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (709409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8506 + ... + 8588.

It is an arithmetic number, because the mean of its divisors is an integer number (38304).

2⁷⁰⁹⁴⁰¹ is an apocalyptic number.

It is an amenable number.

709401 is a deficient number, since it is larger than the sum of its proper divisors (516327).

709401 is a wasteful number, since it uses less digits than its factorization.

709401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 709401 is about 842.2594612113. The cubic root of 709401 is about 89.1861189497.

The spelling of 709401 in words is "seven hundred nine thousand, four hundred one".