9952491 has 16 divisors (see below), whose sum is σ = 13999104. Its totient is φ = 6276864.

The previous prime is 9952489. The next prime is 9952493. The reversal of 9952491 is 1942599.

9952491 is a nontrivial binomial coefficient, being equal to C(4462, 2).

It is an interprime number because it is at equal distance from previous prime (9952489) and next prime (9952493).

It is not a de Polignac number, because 9952491 - 2¹ = 9952489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9952493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5950 + ... + 7436.

It is an arithmetic number, because the mean of its divisors is an integer number (874944).

Almost surely, 2^9952491 is an apocalyptic number.

9952491 is the 4461-st triangular number and also the 2231-st hexagonal number.

9952491 is a deficient number, since it is larger than the sum of its proper divisors (4046613).

9952491 is a wasteful number, since it uses less digits than its factorization.

9952491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610.

The product of its digits is 29160, while the sum is 39.

The square root of 9952491 is about 3154.7568844524. The cubic root of 9952491 is about 215.1017438041.

It can be divided in two parts, 995 and 2491, that added together give a triangular number (3486 = T₈₃).

The spelling of 9952491 in words is "nine million, nine hundred fifty-two thousand, four hundred ninety-one".