1461388 has 12 divisors (see below), whose sum is σ = 2707992. Its totient is φ = 687680.

The previous prime is 1461367. The next prime is 1461391. The reversal of 1461388 is 8831641.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10678 + ... + 10813.

It is an arithmetic number, because the mean of its divisors is an integer number (225666).

2^1461388 is an apocalyptic number.

It is an amenable number.

1461388 is a deficient number, since it is larger than the sum of its proper divisors (1246604).

1461388 is a wasteful number, since it uses less digits than its factorization.

1461388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21512 (or 21510 counting only the distinct ones).

The product of its digits is 4608, while the sum is 31.

The square root of 1461388 is about 1208.8788194025. The cubic root of 1461388 is about 113.4806580792.

It can be divided in two parts, 1461 and 388, that added together give a square (1849 = 43²).

The spelling of 1461388 in words is "one million, four hundred sixty-one thousand, three hundred eighty-eight".