8151408 has 40 divisors (see below), whose sum is σ = 23398800. Its totient is φ = 2716992.

The previous prime is 8151401. The next prime is 8151427. The reversal of 8151408 is 8041518.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8151401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9003 + ... + 9866.

It is an arithmetic number, because the mean of its divisors is an integer number (584970).

Almost surely, 2^8151408 is an apocalyptic number.

It is an amenable number.

8151408 is an abundant number, since it is smaller than the sum of its proper divisors (15247392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8151408 is a wasteful number, since it uses less digits than its factorization.

8151408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18886 (or 18874 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 8151408 is about 2855.0670745186. The cubic root of 8151408 is about 201.2538561302.

The spelling of 8151408 in words is "eight million, one hundred fifty-one thousand, four hundred eight".