421007348 has 6 divisors (see below), whose sum is σ = 736762866. Its totient is φ = 210503672.

The previous prime is 421007287. The next prime is 421007369. The reversal of 421007348 is 843700124.

It can be written as a sum of positive squares in only one way, i.e., 217031824 + 203975524 = 14732^2 + 14282^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 421007348.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52625915 + ... + 52625922.

It is an arithmetic number, because the mean of its divisors is an integer number (122793811).

Almost surely, 2^421007348 is an apocalyptic number.

It is an amenable number.

421007348 is a deficient number, since it is larger than the sum of its proper divisors (315755518).

421007348 is a wasteful number, since it uses less digits than its factorization.

421007348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105251841 (or 105251839 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 421007348 is about 20518.4635877056. The cubic root of 421007348 is about 749.4854829622.

The spelling of 421007348 in words is "four hundred twenty-one million, seven thousand, three hundred forty-eight".