3797147641 has 9 divisors (see below), whose sum is σ = 4417591941. Its totient is φ = 3254328252.

The previous prime is 3797147609. The next prime is 3797147647. The reversal of 3797147641 is 1467417973.

The square root of 3797147641 is 61621.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 3797147641 - 2⁵ = 3797147609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (3797147647) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 426946 + ... + 435748.

It is an arithmetic number, because the mean of its divisors is an integer number (490843549).

Almost surely, 2^3797147641 is an apocalyptic number.

3797147641 is the 61621-st square number.

3797147641 is the 30811-st centered octagonal number.

It is an amenable number.

3797147641 is a deficient number, since it is larger than the sum of its proper divisors (620444300).

3797147641 is an frugal number, since it uses more digits than its factorization.

3797147641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17620 (or 8810 counting only the distinct ones).

The product of its digits is 889056, while the sum is 49.

The cubic root of 3797147641 is about 1560.1002073752.

Multiplying 3797147641 by its sum of digits (49), we get a square (186060234409 = 431347²).

3797147641 divided by its sum of digits (49) gives a square (77492809 = 8803²).

The spelling of 3797147641 in words is "three billion, seven hundred ninety-seven million, one hundred forty-seven thousand, six hundred forty-one".