15401064 has 32 divisors (see below), whose sum is σ = 44003520. Its totient is φ = 4400256.

The previous prime is 15401051. The next prime is 15401069. The reversal of 15401064 is 46010451.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 15401064.

It is not an unprimeable number, because it can be changed into a prime (15401069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45669 + ... + 46004.

It is an arithmetic number, because the mean of its divisors is an integer number (1375110).

Almost surely, 2^15401064 is an apocalyptic number.

15401064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

15401064 is an abundant number, since it is smaller than the sum of its proper divisors (28602456).

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

15401064 is a wasteful number, since it uses less digits than its factorization.

15401064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91689 (or 91685 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 15401064 is about 3924.4189378811. The cubic root of 15401064 is about 248.7999231466.

The spelling of 15401064 in words is "fifteen million, four hundred one thousand, sixty-four".