890715 has 32 divisors (see below), whose sum is σ = 1728000. Its totient is φ = 382464.

The previous prime is 890711. The next prime is 890717. The reversal of 890715 is 517098.

It is not a de Polignac number, because 890715 - 2² = 890711 is a prime.

It is a super-2 number, since 2×890715² = 1586746422450, which contains 22 as substring.

890715 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (890711) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1536 + ... + 2034.

It is an arithmetic number, because the mean of its divisors is an integer number (54000).

2⁸⁹⁰⁷¹⁵ is an apocalyptic number.

890715 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

890715 is a deficient number, since it is larger than the sum of its proper divisors (837285).

890715 is a wasteful number, since it uses less digits than its factorization.

890715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531.

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 890715 is about 943.7769863691. The cubic root of 890715 is about 96.2157690158.

The spelling of 890715 in words is "eight hundred ninety thousand, seven hundred fifteen".