421614347 has 32 divisors (see below), whose sum is σ = 538596864. Its totient is φ = 320544000.

The previous prime is 421614337. The next prime is 421614407. The reversal of 421614347 is 743416124.

It is not a de Polignac number, because 421614347 - 2¹⁶ = 421548811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421614337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 601097 + ... + 601797.

It is an arithmetic number, because the mean of its divisors is an integer number (16831152).

Almost surely, 2^421614347 is an apocalyptic number.

421614347 is a deficient number, since it is larger than the sum of its proper divisors (116982517).

421614347 is a wasteful number, since it uses less digits than its factorization.

421614347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899.

The product of its digits is 16128, while the sum is 32.

The square root of 421614347 is about 20533.2497914967. The cubic root of 421614347 is about 749.8455071411.

The spelling of 421614347 in words is "four hundred twenty-one million, six hundred fourteen thousand, three hundred forty-seven".