2915998 has 4 divisors (see below), whose sum is σ = 4374000. Its totient is φ = 1457998.

The previous prime is 2915989. The next prime is 2915999. The reversal of 2915998 is 8995192.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2915999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728998 + ... + 729001.

It is an arithmetic number, because the mean of its divisors is an integer number (1093500).

2^2915998 is an apocalyptic number.

2915998 is a deficient number, since it is larger than the sum of its proper divisors (1458002).

2915998 is a wasteful number, since it uses less digits than its factorization.

2915998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458001.

The product of its digits is 58320, while the sum is 43.

The square root of 2915998 is about 1707.6293508839. The cubic root of 2915998 is about 142.8660620146.

It can be divided in two parts, 29159 and 98, that multiplied together give a palindrome (2857582).

The spelling of 2915998 in words is "two million, nine hundred fifteen thousand, nine hundred ninety-eight".