302420478 has 16 divisors (see below), whose sum is σ = 606493440. Its totient is φ = 100531416.

The previous prime is 302420477. The next prime is 302420479. The reversal of 302420478 is 874024203.

It is an interprime number because it is at equal distance from previous prime (302420477) and next prime (302420479).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302420477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66468 + ... + 70871.

It is an arithmetic number, because the mean of its divisors is an integer number (37905840).

Almost surely, 2^302420478 is an apocalyptic number.

302420478 is an abundant number, since it is smaller than the sum of its proper divisors (304072962).

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

302420478 is a wasteful number, since it uses less digits than its factorization.

302420478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137711.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 302420478 is about 17390.2408838981. The cubic root of 302420478 is about 671.2285160392.

The spelling of 302420478 in words is "three hundred two million, four hundred twenty thousand, four hundred seventy-eight".