4372406 has 4 divisors (see below), whose sum is σ = 6558612. Its totient is φ = 2186202.

The previous prime is 4372399. The next prime is 4372409. The reversal of 4372406 is 6042734.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6042734 = 2 ⋅3021367.

It is a d-powerful number, because it can be written as 4³ + 3¹¹ + 7³ + 2⁹ + 4¹¹ + 0 + 6² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4372409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1093100 + ... + 1093103.

It is an arithmetic number, because the mean of its divisors is an integer number (1639653).

Almost surely, 2^4372406 is an apocalyptic number.

4372406 is a deficient number, since it is larger than the sum of its proper divisors (2186206).

4372406 is a wasteful number, since it uses less digits than its factorization.

4372406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2186205.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 4372406 is about 2091.0298897912. The cubic root of 4372406 is about 163.5209847531.

The spelling of 4372406 in words is "four million, three hundred seventy-two thousand, four hundred six".