421269546 has 32 divisors (see below), whose sum is σ = 861202368. Its totient is φ = 137329920.

The previous prime is 421269487. The next prime is 421269559. The reversal of 421269546 is 645962124.

It is a happy number.

It is a super-2 number, since 2×421269546² = 354936060774092232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105201 + ... + 109131.

It is an arithmetic number, because the mean of its divisors is an integer number (26912574).

Almost surely, 2^421269546 is an apocalyptic number.

421269546 is an abundant number, since it is smaller than the sum of its proper divisors (439932822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421269546 is a wasteful number, since it uses less digits than its factorization.

421269546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4326.

The product of its digits is 103680, while the sum is 39.

The square root of 421269546 is about 20524.8519117678. The cubic root of 421269546 is about 749.6410406695.

The spelling of 421269546 in words is "four hundred twenty-one million, two hundred sixty-nine thousand, five hundred forty-six".