8462420 has 12 divisors (see below), whose sum is σ = 17771124. Its totient is φ = 3384960.

The previous prime is 8462417. The next prime is 8462423. The reversal of 8462420 is 242648.

It is an interprime number because it is at equal distance from previous prime (8462417) and next prime (8462423).

It can be written as a sum of positive squares in 2 ways, for example, as 1085764 + 7376656 = 1042^2 + 2716^2 .

It is a super-2 number, since 2×8462420² = 143225104512800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8462420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8462423) 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, 211541 + ... + 211580.

It is an arithmetic number, because the mean of its divisors is an integer number (1480927).

Almost surely, 2^8462420 is an apocalyptic number.

It is an amenable number.

8462420 is an abundant number, since it is smaller than the sum of its proper divisors (9308704).

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

8462420 is a wasteful number, since it uses less digits than its factorization.

8462420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423130 (or 423128 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 8462420 is about 2909.0238912735. The cubic root of 8462420 is about 203.7815488051.

The spelling of 8462420 in words is "eight million, four hundred sixty-two thousand, four hundred twenty".