46401421 has 8 divisors (see below), whose sum is σ = 52365600. Its totient is φ = 40728240.

The previous prime is 46401413. The next prime is 46401437. The reversal of 46401421 is 12410464.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 46401421 - 2³ = 46401413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 46401392 and 46401401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46401461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72411 + ... + 73048.

It is an arithmetic number, because the mean of its divisors is an integer number (6545700).

Almost surely, 2^46401421 is an apocalyptic number.

It is an amenable number.

46401421 is a deficient number, since it is larger than the sum of its proper divisors (5964179).

46401421 is a wasteful number, since it uses less digits than its factorization.

46401421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145499.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 46401421 is about 6811.8588505635. The cubic root of 46401421 is about 359.3440240573.

Adding to 46401421 its reverse (12410464), we get a palindrome (58811885).

The spelling of 46401421 in words is "forty-six million, four hundred one thousand, four hundred twenty-one".