3490146891 has 48 divisors (see below), whose sum is σ = 6558589440. Its totient is φ = 1734226560.

The previous prime is 3490146887. The next prime is 3490146893. The reversal of 3490146891 is 1986410943.

3490146891 is a `hidden beast` number, since 3 + 490 + 14 + 68 + 91 = 666.

It is not a de Polignac number, because 3490146891 - 2² = 3490146887 is a prime.

It is a super-2 number, since 2×3490146891² = 24362250641513931762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3490146893) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 93546 + ... + 125423.

It is an arithmetic number, because the mean of its divisors is an integer number (136637280).

Almost surely, 2^3490146891 is an apocalyptic number.

3490146891 is a deficient number, since it is larger than the sum of its proper divisors (3068442549).

3490146891 is a wasteful number, since it uses less digits than its factorization.

3490146891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219016 (or 219013 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 3490146891 is about 59077.4651707400. The cubic root of 3490146891 is about 1516.8683924787.

The spelling of 3490146891 in words is "three billion, four hundred ninety million, one hundred forty-six thousand, eight hundred ninety-one".