8308406 has 4 divisors (see below), whose sum is σ = 12462612. Its totient is φ = 4154202.

The previous prime is 8308373. The next prime is 8308409. The reversal of 8308406 is 6048038.

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

It is a super-2 number, since 2×8308406² = 138059220521672, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8308409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2077100 + ... + 2077103.

It is an arithmetic number, because the mean of its divisors is an integer number (3115653).

Almost surely, 2^8308406 is an apocalyptic number.

8308406 is a deficient number, since it is larger than the sum of its proper divisors (4154206).

8308406 is a wasteful number, since it uses less digits than its factorization.

8308406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4154205.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 8308406 is about 2882.4305715836. The cubic root of 8308406 is about 202.5377138516.

It can be divided in two parts, 830 and 8406, that multiplied together give a triangular number (6976980 = T₃₇₃₅).

The spelling of 8308406 in words is "eight million, three hundred eight thousand, four hundred six".