2406458 has 4 divisors (see below), whose sum is σ = 3609690. Its totient is φ = 1203228.

The previous prime is 2406457. The next prime is 2406461. The reversal of 2406458 is 8546042.

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., 1471369 + 935089 = 1213^2 + 967^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2406458.

It is not an unprimeable number, because it can be changed into a prime (2406457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601613 + ... + 601616.

2^2406458 is an apocalyptic number.

2406458 is a deficient number, since it is larger than the sum of its proper divisors (1203232).

2406458 is a wasteful number, since it uses less digits than its factorization.

2406458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203231.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 2406458 is about 1551.2762487707. The cubic root of 2406458 is about 134.0065712973.

The spelling of 2406458 in words is "two million, four hundred six thousand, four hundred fifty-eight".