420290654 has 8 divisors (see below), whose sum is σ = 720498288. Its totient is φ = 180124560.

The previous prime is 420290639. The next prime is 420290693. The reversal of 420290654 is 456092024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 420290654.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15010367 + ... + 15010394.

It is an arithmetic number, because the mean of its divisors is an integer number (90062286).

Almost surely, 2^420290654 is an apocalyptic number.

420290654 is a deficient number, since it is larger than the sum of its proper divisors (300207634).

420290654 is a wasteful number, since it uses less digits than its factorization.

420290654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30020770.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 420290654 is about 20500.9915369964. The cubic root of 420290654 is about 749.0599505312.

The spelling of 420290654 in words is "four hundred twenty million, two hundred ninety thousand, six hundred fifty-four".