60905421 has 24 divisors (see below), whose sum is σ = 91203840. Its totient is φ = 39124800.

The previous prime is 60905419. The next prime is 60905447. The reversal of 60905421 is 12450906.

60905421 is a `hidden beast` number, since 609 + 0 + 54 + 2 + 1 = 666.

It is not a de Polignac number, because 60905421 - 2¹ = 60905419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60905461) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116641 + ... + 117161.

It is an arithmetic number, because the mean of its divisors is an integer number (3800160).

Almost surely, 2^60905421 is an apocalyptic number.

It is an amenable number.

60905421 is a deficient number, since it is larger than the sum of its proper divisors (30298419).

60905421 is a wasteful number, since it uses less digits than its factorization.

60905421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977 (or 974 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 60905421 is about 7804.1925270972. The cubic root of 60905421 is about 393.4461650030.

It can be divided in two parts, 6090 and 5421, that added together give a palindrome (11511).

The spelling of 60905421 in words is "sixty million, nine hundred five thousand, four hundred twenty-one".