415820427 has 16 divisors (see below), whose sum is σ = 631127808. Its totient is φ = 241054880.

The previous prime is 415820413. The next prime is 415820429. The reversal of 415820427 is 724028514.

It is not a de Polignac number, because 415820427 - 2¹⁴ = 415804043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (415820429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273168 + ... + 274685.

It is an arithmetic number, because the mean of its divisors is an integer number (39445488).

Almost surely, 2^415820427 is an apocalyptic number.

415820427 is a deficient number, since it is larger than the sum of its proper divisors (215307381).

415820427 is a wasteful number, since it uses less digits than its factorization.

415820427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547890.

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 415820427 is about 20391.6754338627. The cubic root of 415820427 is about 746.3948027270.

The spelling of 415820427 in words is "four hundred fifteen million, eight hundred twenty thousand, four hundred twenty-seven".