420994595 has 16 divisors (see below), whose sum is σ = 597274560. Its totient is φ = 278726784.

The previous prime is 420994589. The next prime is 420994631. The reversal of 420994595 is 595499024.

It is a happy number.

It is not a de Polignac number, because 420994595 - 2²⁶ = 353885731 is a prime.

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, 206372 + ... + 208401.

It is an arithmetic number, because the mean of its divisors is an integer number (37329660).

Almost surely, 2^420994595 is an apocalyptic number.

420994595 is a deficient number, since it is larger than the sum of its proper divisors (176279965).

420994595 is a wasteful number, since it uses less digits than its factorization.

420994595 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414814.

The product of its (nonzero) digits is 583200, while the sum is 47.

The square root of 420994595 is about 20518.1528164696. The cubic root of 420994595 is about 749.4779151728.

The spelling of 420994595 in words is "four hundred twenty million, nine hundred ninety-four thousand, five hundred ninety-five".