421377 has 12 divisors (see below), whose sum is σ = 618384. Its totient is φ = 253120.

The previous prime is 421361. The next prime is 421381. The reversal of 421377 is 773124.

It is not a de Polignac number, because 421377 - 2⁴ = 421361 is a prime.

It is a super-2 number, since 2×421377² = 355117152258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (421397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3673 + ... + 3785.

It is an arithmetic number, because the mean of its divisors is an integer number (51532).

2⁴²¹³⁷⁷ is an apocalyptic number.

It is an amenable number.

421377 is a deficient number, since it is larger than the sum of its proper divisors (197007).

421377 is a wasteful number, since it uses less digits than its factorization.

421377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 127 counting only the distinct ones).

The product of its digits is 1176, while the sum is 24.

The square root of 421377 is about 649.1355790588. The cubic root of 421377 is about 74.9704772692.

The spelling of 421377 in words is "four hundred twenty-one thousand, three hundred seventy-seven", and thus it is an iban number.