46426421 has 4 divisors (see below), whose sum is σ = 46464000. Its totient is φ = 46388844.

The previous prime is 46426409. The next prime is 46426427. The reversal of 46426421 is 12462464.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 46426421 - 2¹⁰ = 46425397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46426427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16871 + ... + 19428.

It is an arithmetic number, because the mean of its divisors is an integer number (11616000).

Almost surely, 2^46426421 is an apocalyptic number.

It is an amenable number.

46426421 is a deficient number, since it is larger than the sum of its proper divisors (37579).

46426421 is a wasteful number, since it uses less digits than its factorization.

46426421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37578.

The product of its digits is 9216, while the sum is 29.

The square root of 46426421 is about 6813.6936385488. The cubic root of 46426421 is about 359.4085478550.

Adding to 46426421 its reverse (12462464), we get a palindrome (58888885).

The spelling of 46426421 in words is "forty-six million, four hundred twenty-six thousand, four hundred twenty-one".