46780890 has 48 divisors (see below), whose sum is σ = 121588128. Its totient is φ = 11514048.

The previous prime is 46780879. The next prime is 46780949. The reversal of 46780890 is 9808764.

It is a happy number.

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, 457 + ... + 9683.

It is an arithmetic number, because the mean of its divisors is an integer number (2533086).

Almost surely, 2^46780890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46780890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60794064).

46780890 is an abundant number, since it is smaller than the sum of its proper divisors (74807238).

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

46780890 is a wasteful number, since it uses less digits than its factorization.

46780890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9263 (or 9250 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 46780890 is about 6839.6556930887. The cubic root of 46780890 is about 360.3209329454.

The spelling of 46780890 in words is "forty-six million, seven hundred eighty thousand, eight hundred ninety".