46399442 has 4 divisors (see below), whose sum is σ = 69599166. Its totient is φ = 23199720.

The previous prime is 46399427. The next prime is 46399453. The reversal of 46399442 is 24499364.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 33860761 + 12538681 = 5819^2 + 3541^2 .

It is a super-2 number, since 2×46399442² = 4305816435822728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 46399442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11599859 + ... + 11599862.

Almost surely, 2^46399442 is an apocalyptic number.

46399442 is a deficient number, since it is larger than the sum of its proper divisors (23199724).

46399442 is a wasteful number, since it uses less digits than its factorization.

46399442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23199723.

The product of its digits is 186624, while the sum is 41.

The square root of 46399442 is about 6811.7135876371. The cubic root of 46399442 is about 359.3389153637.

The spelling of 46399442 in words is "forty-six million, three hundred ninety-nine thousand, four hundred forty-two".