9129490 has 16 divisors (see below), whose sum is σ = 17000280. Its totient is φ = 3525760.

The previous prime is 9129473. The next prime is 9129499. The reversal of 9129490 is 949219.

It can be written as a sum of positive squares in 4 ways, for example, as 5157441 + 3972049 = 2271^2 + 1993^2 .

It is not an unprimeable number, because it can be changed into a prime (9129499) 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, 15451 + ... + 16030.

Almost surely, 2^9129490 is an apocalyptic number.

9129490 is a deficient number, since it is larger than the sum of its proper divisors (7870790).

9129490 is a wasteful number, since it uses less digits than its factorization.

9129490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31517.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 9129490 is about 3021.5045920865. The cubic root of 9129490 is about 209.0012285971.

It can be divided in two parts, 912 and 9490, that multiplied together give a triangular number (8654880 = T₄₁₆₀).

The spelling of 9129490 in words is "nine million, one hundred twenty-nine thousand, four hundred ninety".