4070389 has 8 divisors (see below), whose sum is σ = 4305440. Its totient is φ = 3837456.

The previous prime is 4070383. The next prime is 4070399. The reversal of 4070389 is 9830704.

It is a happy number.

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

It is a 6-Lehmer number, since φ(4070389) divides (4070389-1)⁶.

It is a cyclic number.

It is not a de Polignac number, because 4070389 - 2¹³ = 4062197 is a prime.

It is a super-2 number, since 2×4070389² = 33136133222642, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4070389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4070383) 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, 4999 + ... + 5755.

It is an arithmetic number, because the mean of its divisors is an integer number (538180).

Almost surely, 2^4070389 is an apocalyptic number.

It is an amenable number.

4070389 is a deficient number, since it is larger than the sum of its proper divisors (235051).

4070389 is a wasteful number, since it uses less digits than its factorization.

4070389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 4070389 is about 2017.5205079503. The cubic root of 4070389 is about 159.6658259717.

The spelling of 4070389 in words is "four million, seventy thousand, three hundred eighty-nine".