2390986 has 8 divisors (see below), whose sum is σ = 3862404. Its totient is φ = 1103520.

The previous prime is 2390957. The next prime is 2390987. The reversal of 2390986 is 6890932.

It can be written as a sum of positive squares in 2 ways, for example, as 2205225 + 185761 = 1485^2 + 431^2 .

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 (2390987) 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, 45955 + ... + 46006.

2^2390986 is an apocalyptic number.

2390986 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2390986 is a deficient number, since it is larger than the sum of its proper divisors (1471418).

2390986 is a wasteful number, since it uses less digits than its factorization.

2390986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91976.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 2390986 is about 1546.2813456807. The cubic root of 2390986 is about 133.7187611558.

The spelling of 2390986 in words is "two million, three hundred ninety thousand, nine hundred eighty-six".