898242615 has 40 divisors (see below), whose sum is σ = 1644477120. Its totient is φ = 468859968.

The previous prime is 898242593. The next prime is 898242619. The reversal of 898242615 is 516242898.

898242615 is a `hidden beast` number, since 8 + 9 + 8 + 24 + 2 + 615 = 666.

It is not a de Polignac number, because 898242615 - 2¹² = 898238519 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (898242619) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4560 + ... + 42629.

It is an arithmetic number, because the mean of its divisors is an integer number (41111928).

Almost surely, 2^898242615 is an apocalyptic number.

898242615 is a deficient number, since it is larger than the sum of its proper divisors (746234505).

898242615 is a wasteful number, since it uses less digits than its factorization.

898242615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47253 (or 47244 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 898242615 is about 29970.6959378657. The cubic root of 898242615 is about 964.8605541837.

It can be divided in two parts, 8982426 and 15, that added together give a triangular number (8982441 = T₄₂₃₈).

The spelling of 898242615 in words is "eight hundred ninety-eight million, two hundred forty-two thousand, six hundred fifteen".