4909531 has 8 divisors (see below), whose sum is σ = 5382000. Its totient is φ = 4441440.

The previous prime is 4909523. The next prime is 4909537. The reversal of 4909531 is 1359094.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4909531 - 2³ = 4909523 is a prime.

It is a super-2 number, since 2×4909531² = 48206989279922, which contains 22 as substring.

It is a Duffinian number.

4909531 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4909493 and 4909502.

It is not an unprimeable number, because it can be changed into a prime (4909537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1545 + ... + 3493.

It is an arithmetic number, because the mean of its divisors is an integer number (672750).

Almost surely, 2^4909531 is an apocalyptic number.

4909531 is a deficient number, since it is larger than the sum of its proper divisors (472469).

4909531 is a wasteful number, since it uses less digits than its factorization.

4909531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 4909531 is about 2215.7461497202. The cubic root of 4909531 is about 169.9599790451.

The spelling of 4909531 in words is "four million, nine hundred nine thousand, five hundred thirty-one".