9040642 has 8 divisors (see below), whose sum is σ = 14604156. Its totient is φ = 4172592.

The previous prime is 9040639. The next prime is 9040693. The reversal of 9040642 is 2460409.

It can be written as a sum of positive squares in 2 ways, for example, as 8173881 + 866761 = 2859^2 + 931^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173833 + ... + 173884.

Almost surely, 2^9040642 is an apocalyptic number.

9040642 is a deficient number, since it is larger than the sum of its proper divisors (5563514).

9040642 is a wasteful number, since it uses less digits than its factorization.

9040642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347732.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 9040642 is about 3006.7660367910. The cubic root of 9040642 is about 208.3210187210.

The spelling of 9040642 in words is "nine million, forty thousand, six hundred forty-two".