1394047461 has 16 divisors (see below), whose sum is σ = 1961374400. Its totient is φ = 878283648.

The previous prime is 1394047387. The next prime is 1394047469. The reversal of 1394047461 is 1647404931.

It is not a de Polignac number, because 1394047461 - 2¹⁵ = 1394014693 is a prime.

It is a super-3 number, since 3×1394047461³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1394047469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6586 + ... + 53211.

It is an arithmetic number, because the mean of its divisors is an integer number (122585900).

Almost surely, 2^1394047461 is an apocalyptic number.

It is an amenable number.

1394047461 is a deficient number, since it is larger than the sum of its proper divisors (567326939).

1394047461 is a wasteful number, since it uses less digits than its factorization.

1394047461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60228.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 1394047461 is about 37336.9449875053. The cubic root of 1394047461 is about 1117.1012040867.

The spelling of 1394047461 in words is "one billion, three hundred ninety-four million, forty-seven thousand, four hundred sixty-one".