2432978 has 4 divisors (see below), whose sum is σ = 3649470. Its totient is φ = 1216488.

The previous prime is 2432977. The next prime is 2432987. The reversal of 2432978 is 8792342.

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

It can be written as a sum of positive squares in only one way, i.e., 1555009 + 877969 = 1247^2 + 937^2 .

It is not an unprimeable number, because it can be changed into a prime (2432977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 608243 + ... + 608246.

2^2432978 is an apocalyptic number.

2432978 is a deficient number, since it is larger than the sum of its proper divisors (1216492).

2432978 is a wasteful number, since it uses less digits than its factorization.

2432978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216491.

The product of its digits is 24192, while the sum is 35.

The square root of 2432978 is about 1559.8006282856. The cubic root of 2432978 is about 134.4970402374.

The spelling of 2432978 in words is "two million, four hundred thirty-two thousand, nine hundred seventy-eight".