416277421 has 4 divisors (see below), whose sum is σ = 475745632. Its totient is φ = 356809212.

The previous prime is 416277383. The next prime is 416277439. The reversal of 416277421 is 124772614.

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, and also an emirpimes, since its reverse is a distinct semiprime: 124772614 = 2 ⋅62386307.

It is a cyclic number.

It is not a de Polignac number, because 416277421 - 2⁷ = 416277293 is a prime.

It is a super-2 number, since 2×416277421² = 346573782468822482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (416277461) 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, 29734095 + ... + 29734108.

It is an arithmetic number, because the mean of its divisors is an integer number (118936408).

Almost surely, 2^416277421 is an apocalyptic number.

It is an amenable number.

416277421 is a deficient number, since it is larger than the sum of its proper divisors (59468211).

416277421 is an equidigital number, since it uses as much as digits as its factorization.

416277421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59468210.

The product of its digits is 18816, while the sum is 34.

The square root of 416277421 is about 20402.8777627079. The cubic root of 416277421 is about 746.6681363128.

The spelling of 416277421 in words is "four hundred sixteen million, two hundred seventy-seven thousand, four hundred twenty-one".