1406424651 has 8 divisors (see below), whose sum is σ = 1883642880. Its totient is φ = 933411432.

The previous prime is 1406424611. The next prime is 1406424653. The reversal of 1406424651 is 1564246041.

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

It is a de Polignac number, because none of the positive numbers 2^k-1406424651 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1406424653) 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, 1050471 + ... + 1051808.

It is an arithmetic number, because the mean of its divisors is an integer number (235455360).

Almost surely, 2^1406424651 is an apocalyptic number.

1406424651 is a deficient number, since it is larger than the sum of its proper divisors (477218229).

1406424651 is a wasteful number, since it uses less digits than its factorization.

1406424651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102505.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 1406424651 is about 37502.3286077011. The cubic root of 1406424651 is about 1120.3975658642.

The spelling of 1406424651 in words is "one billion, four hundred six million, four hundred twenty-four thousand, six hundred fifty-one".