46918890 has 48 divisors (see below), whose sum is σ = 123552000. Its totient is φ = 12351456.

The previous prime is 46918889. The next prime is 46918901. The reversal of 46918890 is 9881964.

46918890 is a `hidden beast` number, since 469 + 188 + 9 + 0 = 666.

It is a super-3 number, since 3×46918890³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3811 + ... + 10409.

It is an arithmetic number, because the mean of its divisors is an integer number (2574000).

Almost surely, 2^46918890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46918890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61776000).

46918890 is an abundant number, since it is smaller than the sum of its proper divisors (76633110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

46918890 is a wasteful number, since it uses less digits than its factorization.

46918890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6691 (or 6688 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 46918890 is about 6849.7364912820. The cubic root of 46918890 is about 360.6748913990.

The spelling of 46918890 in words is "forty-six million, nine hundred eighteen thousand, eight hundred ninety".