46420000 has 120 divisors (see below), whose sum is σ = 125172432. Its totient is φ = 16800000.

The previous prime is 46419977. The next prime is 46420001. The reversal of 46420000 is 2464.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (46420001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 219895 + ... + 220105.

Almost surely, 2^46420000 is an apocalyptic number.

46420000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46420000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62586216).

46420000 is an abundant number, since it is smaller than the sum of its proper divisors (78752432).

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

46420000 is a wasteful number, since it uses less digits than its factorization.

46420000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 46420000 is about 6813.2224387583. Note that the first 3 decimals coincide. The cubic root of 46420000 is about 359.3919777738.

Adding to 46420000 its reverse (2464), we get a palindrome (46422464).

The spelling of 46420000 in words is "forty-six million, four hundred twenty thousand".