5249906 has 8 divisors (see below), whose sum is σ = 8338140. Its totient is φ = 2470528.

The previous prime is 5249903. The next prime is 5249921. The reversal of 5249906 is 6099425.

5249906 = T₄₂₈ + T₄₂₉ + ... + T₄₇₈.

It can be written as a sum of positive squares in 2 ways, for example, as 5248681 + 1225 = 2291^2 + 35^2 .

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 (5249903) 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, 77171 + ... + 77238.

Almost surely, 2^5249906 is an apocalyptic number.

5249906 is a deficient number, since it is larger than the sum of its proper divisors (3088234).

5249906 is a wasteful number, since it uses less digits than its factorization.

5249906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154428.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 5249906 is about 2291.2673349044. The cubic root of 5249906 is about 173.8002949476.

The spelling of 5249906 in words is "five million, two hundred forty-nine thousand, nine hundred six".