2407906 has 4 divisors (see below), whose sum is σ = 3611862. Its totient is φ = 1203952.

The previous prime is 2407903. The next prime is 2407943. The reversal of 2407906 is 6097042.

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., 1782225 + 625681 = 1335^2 + 791^2 .

It is a super-2 number, since 2×2407906² = 11596022609672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2407903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601975 + ... + 601978.

2^2407906 is an apocalyptic number.

2407906 is a deficient number, since it is larger than the sum of its proper divisors (1203956).

2407906 is a wasteful number, since it uses less digits than its factorization.

2407906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203955.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 2407906 is about 1551.7428910744. The cubic root of 2407906 is about 134.0334437947.

The spelling of 2407906 in words is "two million, four hundred seven thousand, nine hundred six".