15400214 has 8 divisors (see below), whose sum is σ = 23724768. Its totient is φ = 7491960.

The previous prime is 15400199. The next prime is 15400219. The reversal of 15400214 is 41200451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 15400192 and 15400201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15400219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103982 + ... + 104129.

It is an arithmetic number, because the mean of its divisors is an integer number (2965596).

Almost surely, 2^15400214 is an apocalyptic number.

15400214 is a deficient number, since it is larger than the sum of its proper divisors (8324554).

15400214 is a wasteful number, since it uses less digits than its factorization.

15400214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208150.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 15400214 is about 3924.3106400997. The cubic root of 15400214 is about 248.7953458909.

Adding to 15400214 its reverse (41200451), we get a palindrome (56600665).

The spelling of 15400214 in words is "fifteen million, four hundred thousand, two hundred fourteen".