15348890 has 8 divisors (see below), whose sum is σ = 27628020. Its totient is φ = 6139552.

The previous prime is 15348887. The next prime is 15348899. The reversal of 15348890 is 9884351.

15348890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 15202201 + 146689 = 3899^2 + 383^2 .

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

It is not an unprimeable number, because it can be changed into a prime (15348899) 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, 767435 + ... + 767454.

Almost surely, 2^15348890 is an apocalyptic number.

15348890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15348890 is a deficient number, since it is larger than the sum of its proper divisors (12279130).

15348890 is a wasteful number, since it uses less digits than its factorization.

15348890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534896.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 15348890 is about 3917.7659450253. The cubic root of 15348890 is about 248.5186531158.

The spelling of 15348890 in words is "fifteen million, three hundred forty-eight thousand, eight hundred ninety".