46399638 has 16 divisors (see below), whose sum is σ = 93337776. Its totient is φ = 15376800.

The previous prime is 46399637. The next prime is 46399649. The reversal of 46399638 is 83699364.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46399637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21313 + ... + 23388.

It is an arithmetic number, because the mean of its divisors is an integer number (5833611).

Almost surely, 2^46399638 is an apocalyptic number.

46399638 is an abundant number, since it is smaller than the sum of its proper divisors (46938138).

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

46399638 is a wasteful number, since it uses less digits than its factorization.

46399638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44879.

The product of its digits is 839808, while the sum is 48.

The square root of 46399638 is about 6811.7279746038. The cubic root of 46399638 is about 359.3394213347.

The spelling of 46399638 in words is "forty-six million, three hundred ninety-nine thousand, six hundred thirty-eight".