46409890 has 8 divisors (see below), whose sum is σ = 83537820. Its totient is φ = 18563952.

The previous prime is 46409887. The next prime is 46409897. The reversal of 46409890 is 9890464.

It can be written as a sum of positive squares in 2 ways, for example, as 46199209 + 210681 = 6797^2 + 459^2 .

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 (46409897) 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, 2320485 + ... + 2320504.

Almost surely, 2^46409890 is an apocalyptic number.

46409890 is a deficient number, since it is larger than the sum of its proper divisors (37127930).

46409890 is a wasteful number, since it uses less digits than its factorization.

46409890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4640996.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 46409890 is about 6812.4804586876. The cubic root of 46409890 is about 359.3658847341.

The spelling of 46409890 in words is "forty-six million, four hundred nine thousand, eight hundred ninety".