7148406 has 32 divisors (see below), whose sum is σ = 14826240. Its totient is φ = 2296224.

The previous prime is 7148399. The next prime is 7148419. The reversal of 7148406 is 6048417.

7148406 = T₁₉₈ + T₁₉₉ + ... + T₃₆₉.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 26440 + ... + 26708.

It is an arithmetic number, because the mean of its divisors is an integer number (463320).

Almost surely, 2^7148406 is an apocalyptic number.

7148406 is an abundant number, since it is smaller than the sum of its proper divisors (7677834).

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

7148406 is a wasteful number, since it uses less digits than its factorization.

7148406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 7148406 is about 2673.6503137097. The cubic root of 7148406 is about 192.6355350670.

The spelling of 7148406 in words is "seven million, one hundred forty-eight thousand, four hundred six".